云CO< CORUse a normal approximation to find the probability of the indicated number of voters. Inthis case, assume that 108 eligible voters aged 18-24 are randomly selected. Suppose a previousstudy showed that among eligible voters aged 18-24, 22% of them voted.Find probability that fewer than 27 voted.Answer out lineISCheck the condition satisfy the requirement for normal approximation.• Find the population mean• Find the population standard deviationFind the area represents the probability that among 108, fewer than 27 eligible voters willvote.Edit View Insert Format Tools Table12pt vParagraph v B IUAV ev T?v:asetO wordsd7 </>44,312LAONPAGES23étvTMacBook Air000000DDF2F3F4F863OLJ23$)4.8.5.9-

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Answered: 云 CO < CO R Use a normal approximation…

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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You want to estimate the average size of the shoes of kids going to your bowling alley so you can stock the right number of rental shoes. You take a random sample of 8 kids exiting the alley, and find that their sizes are: 2,3,4,5,6,6,7,7. Assume that sizes are roughly normally distributed and that the mean is 5. Calculate the sample standard deviation. Include at least one decimal place.
Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol level of 51.4 mg/dl and standard deviation 14.3 mg/dL. Find the probability that an individual will have a cholesterol level greater than 58 mg/dL Click here for page l of the Areas under the Normal Curve Table Click here for page 2 of the Areas under the Normal Curve Table The probability that an individual will have a cholesterol level greater than 58 mg/dL isO (Round to four decimal places as needed.)
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 171 adult males, the mean pulse rate is 68.2 bpm and the standard deviation is 10.91 bpm. Find the value of the test statistic.
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 136 adult males, the mean pulse rate is 69.6 bpm and the standard deviation is 11.4 bpm. Find the value of the test statistic.
In a medical examination, 300 people undergo a height measurement and was found out that the average height of all are 150cm. If the standard deviation is 19, find the number of people that fall under the given conditions: With height less than 132cm. With height from 140 cm to 180 cm With height taller than 200 cm With height from 160cm to 195 cm With height from 150 cm to 200cm Determine the range of the height that includes the central 60% 45% of the people who undergo the medical examinations are qualified to be part of the varsity. What is the limit height to be part of the varsity?
Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with mean 114.5 ft and standard deviation 58.7 ft. 200 trees. The bell curve below represents the You intend to measure a random sample of n distibution of these sample means. The scale on the horizontal axis is the standard error of the sampling distribution. Complete the indicated boxes, correct to two decimal places. > Next Question
Use a normal approximation o find the probability of the indicated number of voters. In this case, assume that 118 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 32 voted The probability that exactly 32 of 118 eligible voters voted is ?. (Round to four decimal places as needed.)
Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sample of 140 adult males, the pulse rates have a standard deviation of 9.3 bpm.
Mean=126 millimeters and standard deviation=8 millimeters. If random sample of 37 bolts is selected, what is the probability that the sample mean would be less than 128 millimeters?
For a certain type of computers, the length of time between charges of the battery is normally distributed with a mean of 62 hours and a standard deviation of 11 hours. John owns one of these computers and wants to know the number of hours when the computer would have 12% of its battery life left. Sketch the region in question. Write a sentence describing what your answer represents about the problem's specefics.
The masses of 250 students are normally distributed with mean 65kg and standard deviation 4kg. Then how many students have masses between 63kg and 73kg.
Suppose that a category of world class runners are known to run a marathon (26 miles) in an average of 146 minutes with a standard deviation of 13minutes. Consider 49 of the races.Let X = the average of the 49 races. Find the 60th percentile for the average of these 49 marathons. (Round your answer to two decimal places.)min

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