Questions from Applied Statistics

Q: Suppose the probability of an IRS audit is 1.7 percent

Suppose the probability of an IRS audit is 1.7 percent for U.S. taxpayers who file form 1040 and who earned $100,000 or more. (a) What are the odds that such a taxpayer will be audited? (b) What are t...

Q: List two mutually exclusive events that describe the possible outcomes of each

List two mutually exclusive events that describe the possible outcomes of each situation. a. A pharmaceutical firm seeks FDA approval for a new drug. b. A baseball batter goes to bat. c. A woman has a...

Q: A survey asked tax accounting firms their business form (S 5

A survey asked tax accounting firms their business form (S 5 sole proprietorship, P 5 partnership, C 5 corporation) and type of risk insurance they carry (L 5 liability only, T 5 property loss only, B...

Q: The credit scores of 35-year-olds applying for a

The credit scores of 35-year-olds applying for a mortgage at Ulysses Mortgage Associates are normally distributed with a mean of 600 and a standard deviation of 100. (a) Find the credit score that def...

Q: List more than two events (i.e., categorical events

List more than two events (i.e., categorical events) that might describe the outcome of each situation. a. A student applies for admission to Oxnard University. b. A football quarterback throws a pass...

Q: Given P(J) = .26, P(K

Given P(J) = .26, P(K) = .48. If A and B are independent, find P(J ∪ K).

Q: Given P(A) = .40, P(B

Given P(A) = .40, P(B) = .50. If A and B are independent, find P(A ∩ B).

Q: Given P(A) = .40, P(B

Given P(A) = .40, P(B) = .50, and P(A ∩ B) = .05. (a) Find P(A | B). (b) In this problem, are A and B independent?

Q: The probability that a student has a Visa card (event V

The probability that a student has a Visa card (event V) is .73. The probability that a student has a MasterCard (event M) is .18. The probability that a student has both cards is .03. (a) Find the pr...

Q: A baseball player bats either left-handed (L) or

A baseball player bats either left-handed (L) or right-handed (R). The player either gets on base (B) or does not get on base (B9). (a) Enumerate the elementary events in the sample space. (b) Would t...