Forth e year 2018, the stock market in Germany had a mean return of - 12.53% in 2018. Assume that the return s for stocks on the Germ an stock market were distributed normally, with a mean of - 12.53 % and a standard deviation of 10. If you select an individuals tock from this population, what is the probability that it would have a return
a. Less than 0 ( i.e. , a loss)?
b. Between - JO a nd - 20?
c. Greater than - 5 ? 

If you selected a random sample of four stocks from this population, what is the probability that the sample would have a mean re turn
d. Less than 0 (a loss)?
e. Between - 10 and - 20?
f. Greater than - 5 ?
g. Compare your results in parts (d ) through (f) to those in (a) through (c).