Question #2001739: Hypothesis Testing


Question: Problem 3 (15 points) A consumer organization estimates that over a 1-year period 17% of cars will need to be repaired once, 7% will need repairs twice, and 4% will require three or more repairs. What is the probability that a car chosen at random will need

(a) no repairs at all?

(b) No more than one repair? (Hint: this is the same as: probability of one repair or no repair).

(c) Some repairs? (hint: this is the same as: probability of once, or twice, or three & more)

Solution: The solution consists of 137 words (1 page)
Deliverables: Word Document

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