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MSU conducted a study to find the average amount of time faculty members spend commuting to...

MSU conducted a study to find the average amount of time faculty members spend commuting to the University campus. They surveyed 196 faculty drivers and the study found out that the faculty driver’s population spent an average of 13 hours commuting with a standard deviation of 11 hours.

(a) What is the standard error of the mean?
(b) Compute the probability the sample mean is greater than 13 hours?
(c) Compute the probability the sample mean is less than 12 hours?
(d) Compute the probability the sample mean is between 12 and 14 hours?
math   Statistics-And-Probability   
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Answer #1

Given-me an (U) 13 stund ared deviation (-) 44 196 x->-13 1-p zo) < 12-13 SE 0857 p(5412) 0:10 20P(Z 1212)

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