Question: Thank you Problem #6: For drivers aged 20-24 there is a 34% chance of having a car accident in a one year period (based on
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Problem #6: For drivers aged 20-24 there is a 34% chance of having a car accident in a one year period (based on data from the National Safety Council). In a sample of 10 drivers aged 20-24, let X be the number who have had an accident in the last year. Consider the following probability distribution for X. X P(x) 0 ? ? 2 3 ? 4 5 0.0616 7 0.0181 8 0.0035 0.0004 10 0.0000 (a) Find the missing entry that is labelled as 'a'. (b) Suppose that a group of 10 drivers aged 20-24 are randomly selected, and 6 of them have had a car accident in the last year. Is this a significantly high number that would suggest that the given percentage of drivers aged 20-24 that have a car accident in a one year period (i.e., 34%) is not correct? Problem #6(a): answer correct to 4 decimals (A) Yes, because 6 a lot more than expected. (B) No, because 0.1434 is greater than .05. (C) No, because 6 a not a lot more than expected. (D) Yes, because 0.1434 is greater than .05. (E) Yes, because 0.0836 is greater than .05. (F) No, because 0.0616 is greater than .05. (G) No, because 0.0836 is greater than .05. (H) Yes, because 0.0616 is greater than .05. Problem #6(b): Select vStep by Step Solution
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