Suppose that weight of men in a population has a normal distribution with mean60 Kg and standard deviation 5 Kg. What percent of this population has weightbetween 58 Kg and 62 Kg? Show the probability on a graph. Calculate the 90thpercentile of weight in this population, show it on graph, and interpret it. UseMinitab and round the answers to 2 decimal places.

Answered: Suppose that weight of men in a…

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 adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation o=15. Find the probability that a randomly selected adult has an IQ between 82 and 118. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 82 and 118 is (Type an integer or decimal rounded to four decimal places as needed.)
Suppose the average distance of a Major League Baseball homerun is normally distributed with 558 feet and standard deviation 28 feet. Find the probability that a random homerun will be between 545.96 and 587.96 feet.Enter your answer as a number accurate to 4 decimal places. *Note: all z-scores must be rounded to the nearest hundredth.
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Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation o = 15. Find the probability that a randomly selected adult has an IQ between 84 and 116. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 84 and 116 is (Type an integer or decimal rounded to four decimal places as needed.)
According to the latest internet usage survey of college students, the amount of time spent on social media per day is normally distributed with a mean equal to 210 minutes and a standard deviation of 45 minutes. Based on this survey, find the probability that the amount of time spent on social media by college students is between 150 and 300 minutes per day. Round answer to 4 decimal places.
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Assume that the samples are independent and that they hve been randomly selected. A marketing survey involes product recognition in New Yourk and California. Of 682 NEw Yorkers surveryed, 218 knew the product while 192 out of 518 californians knew the product. CAlculate the point estimates for both populations, the pooled sample, and the complement of the pooled sample. At the 0.05 significance level, test the claim that the recpgnition rates are the same in both states. Include your null and alternative hypothesis, the critical vaules, test statistic, P-value, decision about the null hypothesis, and an overall conclusion about the claim in your answer. Draw the z distribution. Construct a 95% confiecne interval estimate of the difference between the two population proportions. Explain how CI supports your decision about the null hypothesis.

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