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In: Statistics and Probability

Suppose the average commute time between SFSU to Redwood city is Normally distributed with mean 22...

Suppose the average commute time between SFSU to Redwood city is Normally distributed with mean 22 minutes and standard deviation of 4 minutes. 5 independent trips between SFSU and Redwood City are sampled. What is the probability that exactly 2 of these trips take less than 20 minutes? (Hint: you will need both the binomial and normal distribution)

Select one:

a. 0.3085

b. 1.0000

c. 0.8255

d. 0.3147

e. 0.6170

Solutions

Expert Solution

Answer---->>

d). 0.3147 is correct option.

orchestra answered 2 years ago
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