Multi-part question: U.S. Census data indicates that 72.9% of workers drove to work alone in 2016....

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Multi-part question: U.S. Census data indicates that 72.9% of workers drove to work alone in 2016....

Multi-part question: U.S. Census data indicates that 72.9% of workers drove to work alone in 2016. Answer the following questions based on a random sample of 18 U.S. workers.

a. What is the probability that 7 workers drove to work alone?

b. What is the probability that more than 11 workers drove to work alone?

b. What is the probability that less than 8 workers drove to work alone?

d. What is the mean and standard deviation for this distribution?

math Statistics-And-Probability

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Answer 1

Answer #1

Criven, 22772221777177 P=0.729 n=18 - xu Bin (18, 0.729) PMF of X is. PCx=x) = ( pde Ci-pin-x, x = 0,1,2,-, n PCX=7)=(18|60.7

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Answer 2

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