se the following information to answer A-C. The table below shows the probablity of a certain number of students having fatigue. (Out of 4 randomly selected students)/ x        P(x) 0        0.10 1        0.20 2        0.35 3         0.30 4         0.05   A) What is the probability that more than 2 of 4 randomly selected students have fatigue? B) What is the mean (to the nearest 0.1) number of students with fatigue out of 4 randomly selected students? C) What is the standard deviation (to the nearest 0.1) of the number of students with fatigue out of 4 randomly selected students?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.2: Probability
Problem 3E: The conditional probability of E given that F occurs is P(EF)=___________. So in rolling a die the...
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Use the following information to answer A-C. The table below shows the probablity of a certain number of students having fatigue. (Out of 4 randomly selected students)/

x        P(x)

0        0.10

1        0.20

2        0.35

3         0.30

4         0.05

 

A) What is the probability that more than 2 of 4 randomly selected students have fatigue?

B) What is the mean (to the nearest 0.1) number of students with fatigue out of 4 randomly selected students?

C) What is the standard deviation (to the nearest 0.1) of the number of students with fatigue out of 4 randomly selected students?

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