The waiting line at a popular bakery shop can be quite long. Suppose that the waiting time in minutes has probability density function f(x) = 0.1.ex. Determine the following: (a) F'(x). OF(x) = 1-e-0.1-x OF(x) = 1 -0.1-x OF(x) = 1 +e=0.1-x ○ F(x) = 1 + 0.1-x eTextbook and Media (b) Probability that a customer waits more than 19 minutes: Round your answer to three decimal places (e.g. 0.987). P=1 (c) Probability that a customer waits less than 9 minutes: Round your answer to three decimal places (e.g. 0.987).

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