At a hardware store, the probability that a customer buys nails is 0.10. The probability that a customer buys nails given that the customer buys a hammer is 0.40.Which statement is true?A.Every customer who buys nails also buys a hammer.B.The probability that a customer buys a hammer and nails is 0.30.C.Buying a hammer and buying nails are dependent events.D.Buying a hammer and buying nails are independent events.SUBMITarrow_backPREVIOUS

At the mall, buying a pair of shoes and buying a book are independent events.The probability that a shopper buys shoes is 0.20. The probability that a shopper buys a book is 0.10.What is the probability that a shopper buys shoes and a book?A.0.10B.0.20C.0.30D.0.02SUBMITarrow_backPREVIOUS

A pet store sells mice, reptiles, and birds.Let event A = A customer buys a mouse.Let event B = A customer buys a bird.What does P(A or B) = 0.25 mean in terms of this problem?A.The probability that a customer buys either a mouse or a bird is 25%.B.The probability that a customer buys neither a mouse nor a bird is 25%.C.Buying a mouse and buying a bird are mutually exclusive events.D.The probability that a customer buys both a mouse and a bird is 25%.

A marketing firm tracks data on grocery store visits. In one study, it finds that the probability that a shopper buys bread during a visit to the grocery store is 0.70, and the probability that a shopper buys cheese is 0.20.Event A = A shopper buys bread.Event B = A shopper buys cheese.A and B are independent events if _____.A.the probability of buying bread and cheese is 0.14B.the probability of buying bread and cheese is 0C.the probability of buying bread or cheese is 0.90D.the probability of buying bread or cheese is 0.14SUBMITarrow_backPREVIOUS

A food truck sells tacos, burritos, and drinks.Let event A = A customer buys a taco.Let event B = A customer buys a drink.What does P(A or B) = 0.45 mean in terms of this problem?A.The probability that a customer buys both a taco and a drink is 45%.B.The probability that a customer buys neither a taco nor a drink is 45%.C.The probability that a customer buys a taco, a drink, or both is 45%.D.Buying a taco and buying a drink are mutually exclusive events.

Which of the following statements are true? Mark all that apply.If A and B are independent events, then the probability of Event B occurring is the same whether or not Event A occurs.If events A and B are independent, then P(A and B) = P(A) + P(B)If P(A) is the probability that event A will occur, then the probability event A will NOT occur is 1 - P(A).Two events are independent if they cannot occur at the same time.If events A and B are overlapping, then P(A or B) = P(A) + P(B) - P(A and B)