10/07/22

Please answer all of pictures questions.
For the point 4(-3,7) marked on the diagram; find its image after each of the following: (@) A rotation of 90 degrees counterclockwise about the origin: A(-3,7), (b) A rotation of 90 degrees... more
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10/07/22

sample Test Statistic

You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 100 men, and 80% own cats.You sample 200 women, and 75% own... more
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10/06/22

55% of all the town's residents own a dog and 66% own a cat. Of the dog owners 46% also own a cat. If a town resident is chosen at random find: (round to 4 decimal places where possible)
55% of all the town's residents own a dog and 66% own a cat. Of the dog owners 46% also own a cat. If a town resident is chosen at random find: (round to 4 decimal places where possible)a. P(Own a... more
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10/06/22

Identify the zeros of each function.
y=5(x - 3) (x+ 5)
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10/06/22

Segment addition and subtraction Algebra
Point B is on line segment \overline{AC}AC. Given AB=2x+10,AB=2x+10, BC=x,BC=x, and AC=5x,AC=5x, determine the numerical length of \overline{AC}.AC.
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10/06/22

Counting our ways to probability

A college’s basketball team will play 29 games next winter. Each game can result in one of 2 outcomes: a win or lose. Find the possible number of outcomes for the season record
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10/06/22

Introduction to statistics
Suppose a population has µ = 8 and δ= 3. Suppose a random sample of n= 36 is selected. What is the probability that the sample mean is between 7.8 and 8.2?
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10/06/22

Statistics and probability distribution
Hailstorms are common phenomena in parts of a certain country. From past experience it has been shown that in a forestry plantation, there is about an 80% chance that certain tree... more
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10/05/22

Angle addition Postulate
if m<EFH = (5x+1) , m< HFG = 62, and m< EFG = ( 18x-11),find each measure
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10/05/22

Two marbles are selected from a box containing 7 blue and 3 red marbles. what is the probability that a blue marble and a red marble are selected
Two marbles are selected from a box containing 7 blue and 3 red marbles. what is the probability that a blue marble and a red marble are selected
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09/28/22

A​ 99% confidence level requires __?___ subjects. (Round to the nearest subject)
A doctor wants to estimate the mean HDL cholesterol of all​ 20- to​ 29-year-old females. How many subjects are needed to estimate the mean HDL cholesterol within 3 points with 99% confidence... more
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09/20/22

P(z < c) = 0.0037
For a standard normal distribution, find:P(z < c) = 0.0037Find c rounded to two decimal places.
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09/20/22

What proportion of pregnancies last fewer than 262 days? P(X < 262 days)

The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 260 and a... more
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09/19/22

use the Law of Detachment to determine what you can conclude from the given information, if possible.
Two congruent angles have the same angle measure. 1 2
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09/19/22

Statistic problem on z score

Professor smith administer a survey to a group of inmates that is believed to measure antisocial attitudes. The average score on the antisocial attitude index is 100 with a standard deviation of... more
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09/19/22

STATS QUESTION A basketball player has an 80% chance of making the first free-throw he shoots.

A basketball player has an 80% chance of making the first free-throw he shoots. If he makes the first free-throw shot, then he has a 90% chance of making the second free-throw he shoots. If he... more
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09/18/22

Algebra Question
how many integers satisfy -5≥-7x and -15≥5x
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09/17/22

note that an ace is considered a face card for this problem, what is the percentage of drawing 1 queen and 1 3 from a regular deck of cards?
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09/16/22

trigonometric functions
A point on the terminal side of an angle A is (-3, 4)
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09/16/22

Question is in description

Suppose the grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.52 and a standard deviation of 0.38. Using the empirical rule, what... more
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09/16/22

I need help with is question?
Calculate the range, population variance, and population standard deviation for the following data set. If necessary, round to one more decimal place than the largest number of decimal places given... more
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09/10/22

Stat question for MAth
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 75 people in the 18-21 age bracket and finds that 64 of them respond and 11... more
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09/10/22

Math question about stat
Suppose a jar contains 8 red marbles and 12 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
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09/10/22

If b is the midpoint of AC and AC=8x-20, then find BC
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09/09/22

What is the height of a pyramid whose slant height is 26cm and base length is 48cm?
Can anyone show me how to find the hypotenuse by Leg(a) and Leg(b)???
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