Question: I would like to solve the answer to d, e & f, in excel. Can some one point me in the right direction on the

I would like to solve the answer to d, e & f, in excel. Can some one point me in the right direction on the formula? I don't need the answers just a little help "getting there."

The Wall Street Journal reported that long term Treasury bonds had a mean return of 24.03% in 2008. Assume that the returns for the long-term Treasury bonds were distributed as a normal random variable, with a mean of 24.03 and a standard deviation of 10. if you select a random sample of 4 Treasure bonds from this population, what is the probability that the sample would have a mean return of...

d.less than 0 (a loss)?

e. between 10 and 20?

f. greater than 10 ?

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