In an election, suppose that 35% of voters support a schoollevy increase. If we poll 115 of these voters at random, theprobability distribution for the proportion of the polledvoters that support a school levy increase can be modeledby the normal distibution pictured below. Complete theboxes accurate to two decimal places .

Answered: Image /qna-images/answer/cc00e0ee-5597-43d8-a326-e2561c193adb.jpg

Answered: In an election, suppose that 35% of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 5 adult smartphone users are randomly selected, find the probability that exactly 2 of them use their smartphones in meetings or classes. Question content area bottom Part 1 The probability is enter your response here. (Round to four decimal places as needed.)
The table below shows the results of a survey about a junk food tax. Support Oppose Unsure Male 184 363 16 Female 291 358 28 A person is selected at random from the sample. What is the probability that a person opposes the tax or is female? Your answer should be a decimal (not a percent) correct to three decimal places.
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the bone density test scores that can be used as cutoff values separating the lowest 10% and highest 10%, indicating levels that are too low or too high, respectively. Sketch the region containing the lowest 10% and highest 10%. Choose the correct graph below. OA. -Za Za Q The bone density scores are ☐ OB. -Za Za (Use a comma to separate answers as needed. Round to two decimal places as needed.) ○ C. Q Za -Za D. Q a G Za -Za
According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of vehicles in Babados. If 30 vehicle owners are selected randomly, find the probability that exactly 13 are men.
Give in brief the concept of probability
Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution.Given that the stock is greater than $21, find the probability that the stock is more than $31. Give your answer accurate to four decimal places.
Assume that when adults with smartphones are randomly selected, 43% use them in meetings or dasses. If 8 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed) Enter your answer in the answer box Save tor Later
Assume that adults with smartphones are randomly selected, 48% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphone in meetings or classes. The probability is? Round to four decimal places as needed.
Find the mean of the given probability distribution. A police department reports that the probabilities that 0,1,2 and 3 burglaries will be reported in a given day are 0.48,0.41,0.10,and 0.01 respectively.
Consider the probability that exactly 89 out of 149 students will pass their college placement exams. Assume the probability that a given student will pass their college placement exam is 61 % . Approximate the probability using the normal distribution. Round your answer to four decimal places.
Suppose that a box contains 8 cameras and that 4 of them are defective. A sample of 2 cameras is selected at random. Define the random variable Xas the number of defective cameras in the sample. Write the probability distribution for X.Write your answer in fraction form or round to 3 decimal places.
Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 310 claimed they always buckle up. We are interested in the population proportion of drivers who claim they always buckle up. Which distribution should you use for this problem? (Round your answer to four decimal places.)

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