According to Internal Revenue Service records, 1.52% of all household tax returns are audited. According to the Humane Society, 44% of all households own a dog. Assuming dog ownership and audits are independent events, what is the probability a randomly selected household is audited and owns a dog? ..... The probability is (Round to six decimal places as needed.)

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In a study by Peter D. Hart Research Associates for the Nasdaq Stock Market, it was determined that 20% of all stock investors are retired people. In addition, 40% of all U.S. adults invest in mutual funds. Suppose a random sample of 25 stock investors is taken. a. What is the probability that exactly eight are retired people? b. What is the probability that 10 or more are retired people? c. How many retired people would you expect to find in a random sample of 25 stock investors? d. Suppose a random sample of 20 U.S. adults is taken. What is the probability that exactly eight adults invested in mutual funds? e. Suppose a random sample of 20 U.S. adults is taken. What is the probability that fewer than five adults invested in mutual funds? f. Suppose a random sample of 20 U.S. adults is taken. What is the probability that exactly one adult invested in mutual funds? g. Suppose a random sample of 20 U.S. adults is taken. What is the probability that 11 or more adults invested in mutual…

The American Red Cross says that about 45% of the U.S. population has Type O blood, 40% Type A, 11% Type B, and 4% Type AB Round your answers to the nearest hundredth, O.XX. a. What is the probability that the next blood donor who enters a donation center has Type O or Type A blood? type your answer... b. What is the probability that the next three blood donors all have Type O blood? type your answer... Previous

1. What are complementary events? 2. If the subjective probability that it will rain is 45%, what is the probability that it will not rain?

a. Assuming that the rate of 23.9% is correct, find the probability that 398 or more of the 1482 adults have sleepwalked. b. Is that result of 398 or more significantly high? c. What does the result suggest about the rate of 23.9%?

Review the definitions and examples of probability of events and their complementary events.  A survey of 451 Salinas residents showed 389 voted in a recent election. When making a selection from the 451 surveyed, what is the probability the person voted in a recent election? When making a selection from the 451 surveyed, what is the probability the person did not vote in a recent election?

In a sample of college students, 100 live on campus, 60 live with family off campus, and 40 live in an apartment off campus. A.What is the probability a randomly selected student lives off campus? B. Explain why this is an example of empirical probability.