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# Find the indicated probability. Suppose X has an exponential distribution with mean EX = 1/4 . Find P(X>1). Suppose X ~ N(20,5) 1b. Find (P(X>12)...

#13: Find the indicated probability.

a. Suppose X has an exponential distribution with mean EX = 1/4 . Find P(X>1).

b. Suppose X ~ N(20,5)

1b. Find (P(X>12)

2b. P(X>=15 | X<=30).

#13: Probability: a. P(X &gt;1 ) = 0.7788 b.... View the full answer

• Any chance at a brief explanation or work shown
• okFineWhatever11
• May 03, 2018 at 2:04pm
• a.) applying exponential pdf, where our parameter is 4 since mean is 1/4, 1 - 4exp(-4*1) = 0.9267
• FAVOURPLUS
• May 03, 2018 at 2:33pm

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