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3a. According to Statista, 37% of the Russian people are worried about the extent of poverty in their society. If this is true: i. What is the probability that, in a random sample of 10 Russian people, exactly 4 are worried about poverty? ii. What is the probability that, in a random sample of 10 Russian people, 2 or fewer are worried about poverty?

3a. According to Statista, 37% of the Russian people are worried about the extent of poverty in their society. If this is true: i. What is the probability that, in a random sample of 10 Russian people, exactly 4 are worried about poverty? ii. What is the probability that, in a random sample of 10 Russian people, 2 or fewer are worried about poverty?

MATLAB: An Introduction with Applications
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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3a and 3b

12 2 Test the hypothesis that the events "likes video games" and "is male" are independent in the POPULATION. Show ALL STEPS of the hypothesis and use a 1% level of significance. In order to avoid cells with very low expected values, use the following simplified data table: Simplified Table for Gender and Video Games Likes video games Dislikes video games Male 49 5 Female 23 16 3a. According to Statista, 37% of the Russian people are worried about the extent of poverty in their society. If this is true: i. What is the probability that, in a random sample of 10 Russian people, exactly 4 are worried about poverty? ii. What is the probability that, in a random sample of 10 Russian people, 2 or fewer are worried about poverty? 3b. Systolic blood pressure in US adults is normally distributed with mean 112 mmHg and a standard deviation of 10 mmHg. Use this information to find (to the nearest hundredth of a percent): a FOR f5 f3 # W 3 $ 4 % 5 f6 T ^ 6 hp & Y 7 fa U fg 8 f10 9 E 2 112
Transcribed Image Text:12 2 Test the hypothesis that the events "likes video games" and "is male" are independent in the POPULATION. Show ALL STEPS of the hypothesis and use a 1% level of significance. In order to avoid cells with very low expected values, use the following simplified data table: Simplified Table for Gender and Video Games Likes video games Dislikes video games Male 49 5 Female 23 16 3a. According to Statista, 37% of the Russian people are worried about the extent of poverty in their society. If this is true: i. What is the probability that, in a random sample of 10 Russian people, exactly 4 are worried about poverty? ii. What is the probability that, in a random sample of 10 Russian people, 2 or fewer are worried about poverty? 3b. Systolic blood pressure in US adults is normally distributed with mean 112 mmHg and a standard deviation of 10 mmHg. Use this information to find (to the nearest hundredth of a percent): a FOR f5 f3 # W 3 $ 4 % 5 f6 T ^ 6 hp & Y 7 fa U fg 8 f10 9 E 2 112
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