11. Our definition of unusual is a probability of less than 5%. The Acme Candy C
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Question
11. Our definition of unusual is a probability of less than 5%. The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than 0.4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 488 jawbreakers that weight more than 0.4 ounces? a. Yes b. No 12. Our definition of unusual is a probability of less than 5%. A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. A survey of 800 randomly selected consumers is to be conducted. For such groups of 800, would it be unusual to get 484 consumers who recognize the Dull Computer Company name? a. Yes b. No 13. Determine whether the given procedure results in a binomial distribution. If not, state the reason why. Spinning a roulette wheel 3 times, keeping track of the occurrences of a winning number of 16 a. Procedure results in a binomial distribution. b. No binomial: the trials are not independent. c. Not binomial: there are more than two outcomes for each trial. d. Not binomial: there are too many trials. e. Solution not given, provide answer below 14, A car insurance company has determined that 9% of all drivers were involved in an accident last year. Among the 12 drivers living on one street, 3 were involved in a car accident last year. If 12 drivers are randomly selected, what is the probability of getting 3 or more who were involved in car accident last year? a. 0.087 b. 0.931 c. 0.069 d. 0.409 e. Solution not given, provide answer 15. There is 0.6 probability that a person shopping at a certain store will spend less than $20. For groups of size 19, find the mean number who spend less than $20. a. 12 b. 7.6 d. 8 e. Solution not given, provide answerExplanation / Answer
Solution:-
15) c) The mean number of people who spend less than $20 is 11.4.
p = 0.60
n = 19
Mean = 0.60 × 19
Mean = 11.4
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