Question 25 0.32 pt: The time it takes to complete an examination follows an exponential distribution...

Question

Question

Question 25 0.32 pt: The time it takes to complete an examination follows an exponential distribution with a mean of 40 minut

math Statistics-And-Probability

Answer 1

Answer #1

solution:

P(Completing the exam in 30 to 35 minutes)

=F(5)-F(30)

= (1 - e-35/40) - (1 - e-30/40)

=0.0555

Option A is correct.

please give me thumb up

Answer 2

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