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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
3a and 3b

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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