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Forty percent of all registered voters in a national election are female.  A random sample of 5 voters is selected.  The probability that the sample contains 2 female voters is

Provide an appropriate response.Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied.  Completely explain your answer.  Answers without explanation will not receive full credit. x P(X = x) 3 0.5 6 -0.3 9 0.1 12 0.3 15 0.4

Choose the following property that is not essential to the binomial distribution.

Provide an appropriate response.A group of students were asked if they carry a credit card. The responses are listed in the table.If a student is selected at random, find the probability that he or she is a freshman given that the student owns a credit card. Round your answers to three decimal places.

Provide an appropriate response.You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that the first card is a two and the second card is a ten. Round your answer to three decimal places.

Provide an appropriate response.Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied.  Completely explain your answer.  Answers without explanation will not receive full credit. x P(X = x) 3 0.5 6 -0.3 9 0.1 12 0.3 15 0.4

Forty percent of all registered voters in a national election are female.  A random sample of 5 voters is selected.  The probability that the sample contains 2 female voters is

Provide an appropriate response.The access code to a house’s security system consists of seven digits. How many different codes are available if each digit can be repeated?

Provide an appropriate response.How many different permutations of the letters in the word STATISTICS are there?   Type your answer below.  Show all work on your answer sheet.  Correct answers without work shown will not receive full credit.

Use the table below to answer parts a & b. Plan A Payout Pr(Payout) $-20 0.48 $-10 0.40 $   5 0.12   1. In the long run, what is the expected payout for Plan A? Show all work.     2. What is the standard deviation of this distribution?  Show all work   Type your answer below.  Show all work on your answer sheet.  Correct answers without work shown will not receive full credit.