品 Q 口5.4-5.5 In Class WKSH-1 v8. Toastmasters International cites a report by Gallop Poll that 40% of Americans fear public speaking. A student believesthat less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that135 report they fear public speaking. Conduct a hypothesis test to determine if the percent at her school is less than40%.9. An increase in walking has been shown to contribute to a healthier life-style. A sedentary American takes an averageof 5000 steps per day. A group of health-conscious employees of a large health care system volunteered to wearpedometers for a month to record their steps. It was found that a random sample of 40 walkers took an average of 5430steps per day, and the population standard deviation is 600 steps. Can it be concluded that they walked more than themean number of 5000 steps per day at the 1% significance level?10. Registered nurses earned an average annual salary of $69,110. For that same year, a survey was conducted of 41California registered nurses to determine if the annual salary is higher than $69,110 for California nurses. The sampleaverage was $71,121 with a sample standard deviation of $7,489. Conduct a hypothesis test.十

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8. Toastmasters International cites a report by Gallop Poll that 40% of Americans fear public speaking. A student believes that less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that 135 report they fear public speaking. Conduct a hypothesis test to determine if the percent at her school is less than 40%.

8. Toastmasters International cites a report by Gallop Poll that 40% of Americans fear public speaking. A student believes that less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that 135 report they fear public speaking. Conduct a hypothesis test to determine if the percent at her school is less than 40%.

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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