In: Statistics and Probability
You roll a die, winning nothing if the number of spots is
eveneven,
$77
for a
11
or a
33,
and
$1616
for a
55.
a) Find the expected value and standard deviation of your prospective winnings.
b) You play
three timesthree times.
Find the mean and standard deviation of your total winnings.
c) You play
3030
times. What is the probability that you win at least
$190190?