Question: In the game of roulette, there is a wheel with spaces marked 0 through 36 and a space marked 00.

a.)Find the probability of winning if you pick the number 7 and it comes up on the wheel.

b.)Find the odds against winning if you pick the number 7.

c.)The casino will pay you $20 for every dollar you bet if your number comes up.How much profit is the casino making on the bet?

Question: How many ways can you choose seven people from a group of twenty?

Question: Suppose you have an experiment where you flip a coin three times.You then count the number of heads.

a.)State the random variable.

b.)Write the probability distribution for the number of heads.

c.)Draw a histogram for the number of heads.

d.)Find the mean number of heads.

e.)Find the variance for the number of heads.

f.)Find the standard deviation for the number of heads.

g.)Find the probability of having two or more number of heads.

h.)Is it unusual to flip two heads?

Question: An LG Dishwasher, which costs $800, has a 20% chance of needing to be replaced in the first 2 years of purchase.A two-year extended warranty costs $112.10 on a dishwasher.What is the expected value of the extended warranty assuming it is replaced in the first 2 years?

Question: The proportion of brown M&M's in a milk chocolate packet is approximately 14% (Madison, 2013).Suppose a package of M&M's typically contains 52 M&M's.

a.)State the random variable.

b.)Argue that this is a binomial experiment

Find the probability that

c.)Six M&M's are brown.

d.)Twenty-five M&M's are brown.

e.)All of the M&M's are brown.

f.)Would it be unusual for a package to have only brown M&M's?If this were to happen, what would you think is the reason?