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Major league baseball salaries averaged $3.41 million with a standard deviation of $1.25 million in a...

Major league baseball salaries averaged $3.41 million with a standard deviation of $1.25 million in a certain year in the past. Suppose a sample of 100 major league players was taken.

Calculate the standard error for the sample mean summary.

What is the probability that the mean salary of the players exceeded $3.5 million?

What is the probability that the mean salary of the players was less than $2.7 million.

What is the probability that the mean salary of the players was less than $2.5 million OR greater than $3.6 million?

Math   Statistics-And-Probability   
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