04/27/21

Regular polygon .
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04/27/21

Regular polygon .

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04/27/21

what will be the variance of the annual cost of maintaining and repairing a car?
A recent study indicates that the annual cost of maintaining and repairing a car in a town in Ontario averages 200 with a variance of 260. If a tax of 10% is introduced on all items associated with... more
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04/26/21

AP Stats question
Determine the appropriate inference method for each setting below.a) A biologist believes the offspring of certain gupples will have 25% red tails, 50% blue tails, and25% orange tails. She test her... more
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04/26/21

Find the critical value of Students t for each hypothesis test.
Find the critical value of Students t for each hypothesis test.1. 10 percent level of significant, two-tailed test, n=212. 1 percent level of significant, right-tailed test, n=93. 5 percent level... more
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04/26/21

In a game of chance, the probability of winning is 30%. If 15 games are played, find the probability of winning exactly six games.

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04/26/21

Someone help me plz asap!

Given: △ADE≅△BDE.Prove: △ACD≅△BCDall given used in step 1. C D A ... more
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04/26/21

For each scenario below, determine which calculation should be made: perimeter, area, volume, lateral surface area, total surface area.
15.Your grandma is filling cubed gift boxes with candy and wants to know how much will fit.16. Your sister is walking the dog around a circular park and wants to know how far she walked.17. The... more
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04/26/21

Distribution problem! Help!
 The probability distribution of a random variable X is given. x     1     2     3     4     P(X = x)     0.3     0.1     0.4     0.2     Compute the mean, variance, and standard deviation... more
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04/25/21

Which type of hypotheses test should be done?
I would like to test if players playing rock, paper, scissor choose between these three options randomly, or if certain options are favored above others. Which hypothesis test should be conducted... more
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04/25/21

normal distribution with a mean of 71 inches and a standard deviation of 3 inches. Find the probability that a randomly selected man has a height between 69 inches and 73 inche
Men’s heights are distributed as the normal distribution with a mean of 71 inches and a standard deviation of 3 inches. Find the probability that a randomly selected man has a height between 69... more
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04/25/21

Computing the sample mean and maximal margin of error E.
Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.82 to $3.75. Use the fact that the confidence interval for the... more
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04/24/21

A chi-square independence test is to be conducted to decide whether an association exists between two variables of a populations...
A chi-square independence test is to be conducted to decide whether an association exists between two variables of a populations. One variable has 6 possible values and the other variable has 6.... more
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04/24/21

Given odds against A = 1:5, determine P(A).
Given odds against A = 1:5, determine P(A).Would this be right?P(A) = h/k+hOdds in favour = 1 (h):5 (k) -> P(A) = 1/5+1 = 1/6
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04/23/21

Find V and SA of sphere and cylinder
Given: O1 O2 = 16, m∠O1 KO2 = 30° Find: V and SA of sphere and cylinderV=volumeSA= surface area
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04/23/21

Find: PO and OK
Given: Sphere S.A. = 80 OK : PO = 2 : 3. Find: PO and OK
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04/23/21

Circle O has center (2, 1) as shown. The circle has a radius of 4 units.
Which equation describes the points on circle O?margin: 0px;"></div></div> (x+2)2+(y+1)2=16(x+2)2+(y+1)2=16margin:... more
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04/23/21

A circle on a coordinate plane has center (–3, 2) and is tangent to the y-axis. what is the equation of the circle?
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04/23/21

The equation of the line passing through point W is y=3x+2 . How would you find the equation of a line that is parallel to the given line and passes through point A?
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04/22/21

write your answer as a simplified fraction
The probability of an event, P(E), is 3/10. What is P(E’)?
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04/22/21

Need Help Please!!!!!!!!
Find the arc length of a sector with a radius of 3 feet and a central angle of 60°.
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04/22/21

Chapter 10: Segment Relationships in Circles
Find the value of x. x= ___
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04/22/21

Chapter 10: Segment Relationships in Circles
Find the value of x.x = ___
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04/22/21

write your answer as a simplified fraction.
Each of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 is written on a ticket and the tickets areplaced in a bowl. If 3 of the tickets are selected at random, find the probability thatall three... more
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04/22/21

write your answer as a simplified fraction.
The probability that Patricia will win the election is 9/14. What is the probability that she will not win the election?
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