find a minimum value for the radius of convergence of a power series solution about x=0 y''-(tanx)y' y=0

For k1Θ¹ + k2Θ² to be an unbiased estimator of θ, the condition that must be imposed on the constants k1 and k2 is that k1 + k2 = 1.

Let Θ¹ and Θ² be two unbiased estimators of the same parameter θ. Then, we have E(Θ¹) = θ and E(Θ²) = θ. Now, let k1Θ¹ + k2Θ² be a linear combination of these two estimators, where k1 and k2 are constants.

To show that this estimator is unbiased, we need to find its expected value and verify whether it equals θ.

So, E(k1Θ¹ + k2Θ²) = k1E(Θ¹) + k2E(Θ²)

= k1θ + k2θ

= (k1 + k2)θ

For this estimator to be unbiased, we need (k1 + k2)θ to equal θ. Therefore, we must have k1 + k2 = 1.

Therefore, to ensure that k1Θ¹ + k2Θ² is an unbiased estimator of θ, we need to impose the condition that k1 + k2 = 1.

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While there is agreement on the use of focus groups for evaluating brand names, there are differences in the methods proposed for identifying symbolism associated with posting selfies and searching for ideas for new applications.

In comparing my initial post with my classmate's initial post, there are both areas of agreement and disagreement regarding the research methods suggested for different scenarios.

Agreement:

Both my initial post and my classmate's post agree on the use of focus groups for evaluating potential brand names for a new app. Focus groups allow for gathering opinions and insights from individuals in a controlled environment, as my classmate mentioned. I also referenced Babin (2019) to support this method.

Disagreement:

In terms of identifying the symbolism associated with posting selfies online, I suggested using detailed interviews, while my classmate proposed depth interviews.

While both methods aim to uncover deeper motivations and intentions, my classmate specifically highlighted the need for probing and asking a series of questions. Both approaches can provide valuable insights, but the emphasis on depth interviews suggests a more targeted and focused approach.

For searching for ideas for new smartphone or tablet applications, I suggested conducting detailed interviews with target customer groups, while my classmate proposed creating an attribute list.

While my suggestion focuses on gathering specific customer preferences and needs through direct interaction, my classmate's suggestion of attribute listing involves breaking down existing products and recombining their attributes to generate new ideas. These are two different approaches to idea generation, and the choice depends on the specific context and objectives of the research.

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Answer:

On the graph, the point balances for the three friends on the 23rd week are:

- Friend A: 60 points

- Friend B: 80 points

- Friend C: 40 points

On the 24th week, the point balances are:

- Friend A: 80 points

- Friend B: 100 points

- Friend C: 60 points

It looks like all three friends are earning points and increasing their balances over time. Friend B seems to be earning points at a faster rate than the other two friends, as their balance is consistently higher. Friend C has the lowest balance, but is still earning points and increasing their balance.

The relevant probability for determining whether 6 is a significantly high number of girls in 8 births is the result from part (b): The result from part b, since it is the complement of the result of part a.

In statistics, when evaluating whether an observed result is significantly high or low, we often compare it to a specified level of significance. In this case, we are comparing the observed number of girls (6) in 8 births to determine if it is significantly high.

In part (a), we calculate the exact probability of having 6 or more girls in 8 births using the binomial probability formula. Let's say this probability is p.

In part (b), we calculate the complement of the result from part (a), which is the probability of having 5 or fewer girls in 8 births. This probability is 1 - p.

To determine whether 6 is a significantly high number of girls, we compare the result from part (b) with the specified level of significance. If the result from part (b) is less than the specified level of significance, it suggests that 6 is significantly high. Otherwise, it is not significantly high.

The relevant probability for determining whether 6 is a significantly high number of girls in 8 births is the result from part (b), which is the complement of the result from part (a). By comparing the probability of having 5 or fewer girls (result from part b) with the specified level of significance, we can assess whether 6 is significantly high or not. It is important to consider the complement of the result in order to evaluate both ends of the probability distribution and make a meaningful determination about the significance of the observed outcome.

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Answer:

118 ounces

Step-by-step explanation:

14.75 • 8 = 118

The new coordinates of the point (5, 2) after rotating counterclockwise about the origin through an angle of 5 degrees are approximately (4.993, 2.048).

To find the new coordinates of the point (5, 2) after rotating counterclockwise about the origin through an angle of 5 degrees, we can use the rotation formula:

x' = x * cos(theta) - y * sin(theta)

y' = x * sin(theta) + y * cos(theta)

Where (x, y) are the original coordinates, (x', y') are the new coordinates after rotation, and theta is the angle of rotation in radians.

Converting the angle of rotation from degrees to radians:

theta = 5 degrees * (pi/180) ≈ 0.08727 radians

Plugging in the values into the rotation formula:

x' = 5 * cos(0.08727) - 2 * sin(0.08727)

y' = 5 * sin(0.08727) + 2 * cos(0.08727)

Evaluating the trigonometric functions and simplifying:

x' ≈ 4.993

y' ≈ 2.048

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The least amount Rita has been charged in a month is her monthly fee is f.

Given that Rita pays a monthly fee of $f and pays an additional $p per minute of use. The least she has been charged in a month is $c. Let the total number of minutes Rita used in a month be m, then her monthly cost can be calculated as: $c = f + mp

To find the least amount Rita has been charged in a month, we need to minimize the value of c. This is achieved by minimizing the value of m, the total number of minutes Rita used in a month.

If Rita doesn't use her phone at all, the cost of the monthly fee, f, would be the least amount she has been charged in a month.

Hence,
\($c_{min} = f$$f = f + mp_{min} ⇒ mp_{min} = 0$\)

Therefore, f is the least amount Rita has been charged as monthly fee.

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Answer:

The slope is -7 / 5

If a ball is drawn randomly from a jar that contains 8 red balls, 3 white balls, and 6 yellow balls, the probability of drawing a red ball from the jar is approximately 0.47 or 47%.

The probability of a red ball being drawn from the jar can be calculated as follows:

Total number of balls in the jar = 8 red + 3 white + 6 yellow = 17

Probability of drawing a red ball = (Number of red balls in the jar) / (Total number of balls in the jar) = 8/17 ≈ 0.47

This means that if we were to draw a ball from the jar randomly, there is a 47% chance that the ball we draw will be red.

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Complete question is:

A ball is drawn randomly from a jar that contains 8 red balls, 3 white balls, and 6 yellow balls. find the probability of the given event.

What is what is the probability of a Red ball being drawn?

The number of cases of tea in the order was 100.

Let's assume that x represents the number of cases of coffee and y represents the number of cases of tea.

We know that the total number of cases in the order is 250,

so x + y = 250.

We also know that the total cost of the order is $2,600, so 12x + 8y = 2,600.

We can use substitution to solve for y: x = 250 - y, so we can substitute (250 - y) for x in the second equation:

12(250 - y) + 8y = 2,600

3,000 - 12y + 8y = 2,600

4y = 400

y = 100

Therefore, there were 100 cases of tea in the order.

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Answer:

5.2

Step-by-step explanation:

add back 0.8 from 7 am temp which is 4.4 degrees.

Answer:

5.2 °C

Step-by-step explanation:

4.4°C + 0.8°C = 5.2°C

Answer:

8.5 units

Step-by-step explanation:

(-1, 1) squared + (7,4) squared = formula

Distance 8.5 is rounded to the nearest 10

It is a trinomial because it follows the pattern of x^2 + bx + c. In this case, x^2 - 10x + 25. Also, it only has three numbers and two operation symbols, signifying a trinomial (three = tri).

Answer:

y=3x-7

step by step explaination:

Answer:

not an answer but nice pfp

Step-by-step explanation:

I'm assuming the shape given is called 'Shape C'

The shapes which the figure is divided into are- 2 rectangles and a triangle.

The Measurements of all of their sides? Lets start with Rectangle X- the sides are given it seems- 2 in, 1 in, 2 in, 1 in. Rectangle Y's sides are divided into 3 in and 2 in. And lastly the Triangle is 1 in, 2 in and 2 in. (The hypotenuse is 2 because 2^2  +1^2= 4 and sqrt 4 is 2)

I don't exactly understand what they are asking so I'm also gonna tell you the perimeter of shape c. It's 1+2+1+2+4+2+1 = 13 in

I'm sorry If I didn't answer the question right...

Answer:

1 + 2 + 1 + 2 + 4 +2 + 1 = 13

Step-by-step explanation:

have a great day

To determine which pair of events are independent, we need to check if the probability of their intersection is equal to the product of their individual probabilities. If the two probabilities are equal, the events are independent; otherwise, they are dependent.

Using the probabilities given, we can calculate the probabilities of the individual events:

P(a) = 0.4

P(b) = 0.3

P(c) = 0.2

P(d) = 0.1

We can also calculate the probabilities of the intersections of the events:

P(a ∩ b) = 0.1

P(a ∩ c) = 0.1

P(a ∩ d) = 0.1

P(b ∩ c) = 0.05

P(b ∩ d) = 0.05

P(c ∩ d) = 0.01

Now, we can check the pairs of events for independence:

1. Events a and b:

P(a) * P(b) = 0.4 * 0.3 = 0.12

P(a ∩ b) = 0.1

Since P(a ∩ b) is not equal to P(a) * P(b), events a and b are dependent.

2. Events a and c:

P(a) * P(c) = 0.4 * 0.2 = 0.08

P(a ∩ c) = 0.1

Since P(a ∩ c) is greater than P(a) * P(c), events a and c are dependent.

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3. Events a and d:

P(a) * P(d) = 0.4 * 0.1 = 0.04

P(a ∩ d) = 0.1

Since P(a ∩ d) is greater than P(a) * P(d), events a and d are dependent.

4. Events b and c:

P(b) * P(c) = 0.3 * 0.2 = 0.06

P(b ∩ c) = 0.05

Since P(b ∩ c) is not equal to P(b) * P(c), events b and c are dependent.

5. Events b and d:

P(b) * P(d) = 0.3 * 0.1 = 0.03

P(b ∩ d) = 0.05

Since P(b ∩ d) is not equal to P(b) * P(d), events b and d are dependent.

6. Events c and d:

P(c) * P(d) = 0.2 * 0.1 = 0.02

P(c ∩ d) = 0.01

Since P(c ∩ d) is not equal to P(c) * P(d), events c and d are dependent.

Therefore, none of the pairs of events are independent.

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The statement is subjective and can depend on the purpose and scope of the research. However, in general, an introductory section is helpful in presenting the research methods and statistical calculations.

The introductory section provides an overview of the study, including the research question, objectives, and hypotheses. It also explains the significance of the study and its contribution to the existing knowledge in the field. Additionally, it outlines the methodology used in the study, including the research design, sampling techniques, data collection methods, and statistical analysis techniques.

The introductory section also presents the statistical calculations used in the study. It should explain the statistical methods used to analyze the data, including descriptive statistics, inferential statistics, and any other advanced statistical techniques. The statistical calculations should be presented in a clear and concise manner, including the formulas used and the interpretation of the results. The introductory section should also provide the reader with an understanding of the statistical assumptions made in the study and any limitations to the study's findings.

Overall, an introductory section is an essential component of a research report as it provides the reader with an overview of the study and helps them understand the methodology and statistical calculations used.

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Answer:

68

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

Since the girls have the same age, let their age be x.
Then, their average is

\(\frac{x+x}{2} = \frac{2x}{2} = x\)

Let \(S_{i}\) denote the age of 'i' girls.
Then, \(S_{8} = S_{6} + x + x - eq(1)\)

Also, we have,

\(\frac{S_{8}}{8} =15 - eq(2)\)

\(\frac{S_{6}}{6} =13 - eq(3)\)

Then eq(2):

(from eq(1) and eq(3))

\(\frac{S_{6} + 2x}{8} =15\\\\\frac{13*6 + 2x}{8} = 15\\\\78+2x = 120\\\\2x = 120-78\\\\x = 21\)

The average of the other two girls with equal age​ is 21

Answer: 8575/2

Step-by-step explanation:

Answer:

7 + 2 + 5 = 143547

Step-by-step explanation:

a + b + c = [a · b][a · c][a · b + a · c - b]

The first two digits of the answer are the product of the 1st and 2nd terms of the question.

The 3rd and 4th digits of the answer are the product of the 1st and 3rd terms of the question.

The 5th and 6th digits of the answer are the sum of the products of the 1st & 2nd terms and the 3rd & 4th terms of the answer minus the 2nd term of the question.

7 + 2 + 5 = [7 · 2][7 · 5][7 · 2 + 7 · 5 - 2]

               = 143547

\(\small \bold{ 5+3+2=151022}\)

Multiply first two digits

\(\small \bold{ 5×3=15}\)

Multiply first and third digit

\(\small \bold{5×2=10 }\)

Add two number and subtract middle digit

\(\small \bold{15+10-3(middle \: digit)=22 }\)

Join three answers to get 151022

Similarly,

\(\small \bold{7+2+5=? }\)

\(\small \bold{ 7×2=14}\)

\(\small \bold{ 7×5=35}\)

\(\small \bold{ 14+35-2=47}\)

Joining them gets 143547

So ,

\(\small \bold{7+2+5=143547 }\)

Answer:

BC ≈ 19.4 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos71° = \(\frac{adjacent}{hypotenuse}\) = \(\frac{AB}{BC}\) = \(\frac{6.3}{BC}\) ( multiply both sides by BC )

BC × cos71° = 6.3 ( divide both sides by cos71° )

BC = \(\frac{6.3}{cos71}\) ≈ 19.4 cm ( to 3 significant figures )

Sherry needs to invest $2000 in a mutual fund that earns 1% interest a year and $13200 in a mutual fund that earns 4% interest a year.

According to the question,

We have the following information:

Amount to be invested = $15200

Interest earned 1% a year and 4% a year

Total amount interest to be earned at the end of first year = $548

Now, let's take the amount to be invested in 1% interest a year's mutual fund to be $x.

Then, we have the amount to be invested in mutual fund that earns 4% a year:

$(15200-x)

So, we have the following expression by removing percentage sign:

x/100 + (15200-x)4/100 = 548

Taking 100 as the least common factor and using the cross multiplication method:

x+60800-4x = 548*100

-3x = 54800-60800

-3x = -6000

x = 6000/3

x = $2000

Now, the amount invested in second mutual fund:

15200-2000

$13200

Hence, Sherry needs to invest $2000 in a mutual fund that earns 1% interest a year and $13200 in a mutual fund that earns 4% interest a year.

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The measure of an angle between 0° and 360° coterminal with 500° is -220° and 500°.

We need to subtract or add a multiple of 360° to 500° until we get an angle within the given range.

To find the coterminal angle less than 500°, we subtract multiples of 360°:
500° - 360° = 140°
Since 140° is still greater than 360°, we subtract another 360°:
140° - 360° = -220°
Now we have a coterminal angle -220° that is within the range of 0° to 360°.

To find the coterminal angle greater than 500°, we add multiples of 360°:
500° + 360° = 860°
Since 860° is greater than 360°, we subtract another 360°:
860° - 360° = 500°
Now we have a coterminal angle 500° that is within the range of 0° to 360°.

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Answer:

the answer is 3/4

Step-by-step explanation: 6/8 divided by 2 is 3/4

Answer:

Yeah me too buddy :(

Step-by-step explanation:

Answer:

y = 6x

Step-by-step explanation:

if its $6 per person, each new person is gonna chagre $6