The probability distribution will be: x f(x) 0.9 0.25 1.8 0.25 2.7 0.25 3.6 0.25

Question

The probability distribution will be:

x f(x) 0.9 0.25 1.8 0.25 2.7 0.25 3.6 0.25 c. Consider the required conditions for a discrete probability function, shown below. /(x) = 1 (5.2) Does this probability distribution satisfy equation (5.1)? -Select your answer Does this probability distribution satisfy equation (5.2)? select your answer d. What is the probability a service call will take 2.7 hours? e. A service call has just come in, but the type of malfunction is unknown. It is 3:00 P.M. and service technicians usually get off at 5:00 P.M. What is the probability the service technician will have to work overtime to fix the machine today?

Explanation / Answer

C) yes, it satisfies equation 5.1

Yes, it satisfies equation 5.2, because the sum of all probability is 1

D) P(X = 2.7) = 0.25

E)P(X > 2) = P(X = 2. 7) + P(X = 3.6)

= 0.25 + 0.25

= 0.5

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