posted by Denise .
12 out 20 finished the PGA tour - representatives of the probability that a randomly selected PGA tour payer uses Titlist brand golf balls . For a sample of 15 PGA Tour players
c. For sample of 15 PGA players compute the EXPECTED number of players who use Titlist
d. For sample of 15 PGA tour player compute the variance and standard deviation of the numer of players who use Titleist.