Question

In: Statistics and Probability

You roll a​ die, winning nothing if the number of spots is eveneven​, ​$77 for a...

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​?

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