we have an urn with 10 balls numbered from 1 to 10. we choose a sample of 111 with replacement. approximate the probability of the event that the number one appears at most 3 times in the sample. use both the normal and the poisson approximation, and compare the results with the exact probability 0.00327556.

The correct indefinite integral of (-1x^4 - 2x) dx is -1/5 * x^5 - 2x + C, where C represents the constant of integration.

Based on the given information, the problem is to determine the indefinite integral of the expression (-1x^4 - 2x) dx, using capital C for the free constant.

It appears that the previous answer given for this problem was incorrect.

To solve this problem, we need to use the rules of integration, which include the power rule, constant multiple rule, and sum/difference rule.

The power rule states that the integral of x^n is (x^(n+1))/(n+1), where n is any real number except -1.

The constant multiple rules state that the integral of k*f(x) is k times the integral of f(x), where k is any constant. The sum/difference rule states that the integral of (f(x) + g(x)) is the integral of f(x) plus the integral of g(x), and the same goes for subtraction.

Using these rules, we can break down the given expression (-1x^4 - 2x) dx into two separate integrals: (-1x^4) dx and (-2x) dx.

Starting with (-1x^4) dx, we can use the power rule to integrate: (-1x^4) dx = (-1 * 1/5 * x^5) + C1, where C1 is the constant of integration for this integral.

Next, we can integrate (-2x) dx using the constant multiple rule: (-2x) dx = -2 * (x^1/1) + C2 = -2x + C2, where C2 is the constant of integration for this integral.

To get the final answer, we can combine the two integrals: (-1x^4 - 2x) dx = (-1 * 1/5 * x^5) + C1 - 2x + C2 = -1/5 * x^5 - 2x + C, where C is the combined constant of integration (C = C1 + C2).

We can simplify this expression by using capital C to represent the combined constant of integration, giving us:

(-1x^4 - 2x) dx = -1/5 * x^5 - 2x + C

Therefore, the correct indefinite integral of (-1x^4 - 2x) dx is -1/5 * x^5 - 2x + C, where C represents the constant of integration.

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Step-by-step explanation:

12 - 6.78 = 5.22 gallons

so, there were still 5.22 gallons in the tank.

A new data point is classified using the K-NN algorithm based on similarity after all the existing data has been stored.

Here I attached the answers

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Answer:-8 is the first one.

Step-by-step explanation:-3(2)-2

-6-2

Hopefully this helps you understand the rest (and I was just too lazy to do all of them).

Answer:

i believe it is 4/5

Step-by-step explanation:

An equation for the line that passes through the point P(3,0) and is parallel to the line −x+5y=−6 is y = (1/5)x - (3/5).

To find an equation for the line that passes through the point P(3,0) and is parallel to the line −x+5y=−6, we need to find the slope of the given line, since parallel lines have the same slope, and then use the point-slope form of the equation of a line.

First, we need to rearrange the given line to the slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept:

−x + 5y = −6 5y = x - 6 y = (1/5)x - (6/5)

Therefore, the slope of the given line is 1/5.

Since the line we want to find is parallel to the given line, it must have the same slope of 1/5.

Now we can use the point-slope form of the equation of a line, which is:

y - y1 = m(x - x1)

where (x1, y1) is the given point on the line and m is the slope we just found.

Substituting the given values, we get:

y - 0 = (1/5)(x - 3)

Simplifying, we get:

y = (1/5)x - (3/5)

Therefore,

An equation for the line that passes through the point P(3,0) and is parallel to the line −x+5y=−6 is y = (1/5)x - (3/5).

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Use the Pythagorean theorem:

70^2 = 42^2 + width^2

4900 = 1764 + width ^2

Subtract 1764 from both sides

3136 = width^2

Take the square root of both sides

Width = 56 inches

Answer:

B. 180 sq cm

Step-by-step explanation:

if the area of the scale drawing is 20 cm then the width must be 5cm and the length is 4cm.

Since the scale factor is 1:3 you multiply the side lenghts by 3. So the width of the real object is 15 cm and the length is 12 cm.

Multiply L x W to get area, 15 x 12 = 180

1 yard = 3 feet

3ft * 2 yards = 6 feet

$1.26 / 6ft = $0.21 / ft

Answer:

lo siento, no lo sé

Estoy respondiendo por puntos

Step-by-step explanation:

lo siento por hacerte perder el tiempo

The hardware store carries a total of 78 types of boxed nails and screws, with 42 types of boxed nails and 36 types of boxed screws.

To calculate the total number of types of boxed nails and screws carried by the hardware store, we add the number of types of boxed nails and the number of types of boxed screws.

Number of types of boxed nails = 42

Number of types of boxed screws = 36

To find the total number of types, we add these two quantities:

Total number of types = Number of types of boxed nails + Number of types of boxed screws

Total number of types = 42 + 36

Total number of types = 78

Therefore, the hardware store carries a total of 78 types of boxed nails and screws. This includes 42 types of boxed nails and 36 types of boxed screws.

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The work done in stretching the spring from its natural length to 0.9 feet beyond its natural length is 3 foot-pounds.

This can be calculated using the equation W = F * d, where W is the work done, F is the force applied, and d is the distance the spring is stretched. In this case, F is 6 pounds and d is 0.5 feet (0.9 feet - 0.4 feet). Thus, W = 6 * 0.5 = 3 foot-pounds.

Force is a concept in physics that describes the influence that can change the motion of an object. Work done is the amount of energy transferred to or from an object when a force acts on it and causes it to move through a distance.

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Correct question:

A force of 6 pounds is required to hold a spring stretched 0.4 feet beyond its natural length.

How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length?

a) If an integer k is an eigenvalue of a square matrix A with integer entries, then k divides the determinant of A.

b) If each row of a square matrix A has a sum of k, where k is an integer, then k divides the determinant of A.

a) To show that if k is an eigenvalue of A, then k divides the determinant of A, we can use the fact that the determinant of A is equal to the product of its eigenvalues.

Let λ be an eigenvalue of A with eigenvector v. We have Av = λv. Taking the determinant of both sides, we get det(Av) = det(λv). S

ince det(Av) = det(A)det(v) and det(λv) = λⁿ det(v), where n is the dimension of A, we can rewrite the equation as det(A)det(v) = λⁿ det(v). Since λ is an eigenvalue, det(v) ≠ 0, so we can divide both sides by det(v) to get det(A) = λⁿ. Since λ is an integer, it must divide the determinant of A.

b) If each row of A has a sum of k, we can write this condition as Σ aj - k = 0, where aj represents the elements of the ith row of A. This can be rewritten as Σ aj = nk, where n is the dimension of A.

Now, let's consider the matrix A - kI, where I is the identity matrix. Each row of A - kI has a sum of 0, which means that the sum of the elements in each column of A - kI is also 0.

This implies that the vector [1, 1, ..., 1] is an eigenvector of A - kI with eigenvalue 0.

Since the sum of the eigenvalues of A - kI is equal to the trace of A - kI, which is the sum of the diagonal elements, we have k as one of the eigenvalues.

Therefore, from part a), we know that k divides the determinant of A - kI. But since A - kI is similar to A, they have the same determinant. Thus, k divides the determinant of A.

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Answer:

18/12

Step-by-step explanation:

18- rise

12- run

In the attached diagram the perimeter of the hall way is

The perimeter of the hall way is calculated by adding all the sides of the hallway

The perimeter of the hall way  = 2x - 7 + x + 1 + 4x - 9 + x - 2 + x + 2 + 3x - 11 + x - 2 + 3x - 11 + x + 4

adding like terms results to

The perimeter of the hall way  =  17x + (-34)

Finally, the simplified expression is:

17x - 34

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Answer:

The answer to your problem is, B. y=11.8x+29.2

Step-by-step explanation:

Determine the line of the best fit grpahically

Find the problem:

y = 11 x 8x + 29 x 2 B.

The expected value in probability, also known as the mean or the expectation, is a measure of the central tendency of a random variable.

It represents the average value that the random variable would take if the experiment were repeated many times.

The formula for calculating the expected value of a discrete random variable X is E(X) = ∑(xP(x)), where x is the value of the random variable, and P(x) is the probability of X taking the value x.

For a continuous random variable X, the formula is

E(X) = ∫(x*f(x)dx)

where f(x) is the probability density function of X.

The expected value is an important concept in probability theory and is used to make predictions about the outcomes of random events.

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Three standard deviations of the mean are set for the data which has t least 98. 77% of the data.

When dealing with normal distributions, the standard deviation serves as a valuable tool for measuring spread. The data is symmetrically distributed with no skew in the normal distributions. How spread out from the center of the distribution your data is on average is explained by the standard deviation.

According to statistical analysis, the empirical rule indicates that nearly all data collected from a normal distribution will fall within three standard deviations (represented by σ) of the mean or average (represented by µ). The empirical rule, or the 68-95-99.7 rule, tells you where your values lie:

Around 68% of scores are within 1 standard deviation of the mean,

Around 95% of scores are within 2 standard deviations of the mean,

Around 99.7% of scores are within 3 standard deviations of the mean.

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3a + 3b-2c-2d

a= number of hearts

b= number of diamons

c= number of clubs

d= number of spades

if you draw 3hearts, 2 diamonds, and 1 spade, just replace a=3, b=2, c=0, d=1

3(3) + 3(2)-2(0)-2(1)

Multiply each term and add the results:

9+6-0-2 = 13

13 points

Answer:

the answer would be X=0.82

the mean for both mean and women are 23 so the mean of all the people would be the same.

Answer:23

Answer:

3 1/4

Step-by-step explanation:

It is 3 whole key chains

Answer:

https://socratic.org/questions/a-card-is-drawn-from-a-standard-deck-a-second-card-is-drawn-without-replacing-th-1#131182

Step-by-step explanation:

:)

The expected value of sales at a price of $1 is 11.015 for the given regression demand equation.

In the regression demand equation e(log(sales | price)) = 11.015 - 2.442 log(price), you want to find the expected value of sales at a price of $1. To find the expected value of sales, you need to substitute the given price of $1 into the equation and solve for the sales. Substituting the price of $1 into the equation, you get: e(log(sales | 1)) = 11.015 - 2.442 log(1). Since log(1) = 0, the equation simplifies to: e(log(sales | 1)) = 11.015 - 2.442 * 0, e(log(sales | 1)) = 11.015
Therefore, the expected value of sales at a price of $1 is 11.015.

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Function f(x) is translated to the right 5 units.

resizing an object is accomplished through a change called dilation. The objects can be enlarged or shrunk via dilation. A shape identical to the source image is created by this transformation. The size of the form does, however, differ. A dilatation ought to either extend or contract the original form. The scale factor is a phrase used to describe this transition.

The scale factor is defined as the difference in size between the new and old images. An established location in the plane is the center of dilatation. The dilation transformation is determined by the scale factor and the center of dilation.

The function f(x)=∛x+4 is transformed to f(x)=∛(x−1) +3.

Putting the values in the graph we see that mid points of both the graphs are:

\(\left(-4,\ 0\right)\) original function

\(\left(1,\ 3\right)\) transformed function

x₁ ⇒ x₂ and y₁ ⇒ y₂ is the transformation

here,

-4 ⇒ 1

= +5 (positive symbol means to the right)

and

0 ⇒ 3

= +3 (positive symbol means to upward direction)

Thus, Function F translated to up 3 units and translated right 5 units

Hence, Function f is translated to the right 5 units.

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