Question 15 of 20 00 10 points if random variable x

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Question 15 of 20 0.0/ 1.0 Points If random variable X has a Poisson distribution with mean = 10, find the probability that X is more than 2. (That is, find P(X
Question 16 of 20 0.0/ 1.0 Points The mean number of visitors at a national park in one weekend is 55. Assume the variable follows a Poisson distribution. Find the probability that there will be at most 49 visitors at this
Question 17 of 20
0.0/ 1.0 Points Suppose a random variable, x, follows a Poisson distribution. Let µ=2.5 every minute, find the
Question 18 of 20 0.0/ 1.0 Points Suppose a random variable, x, follows a Poisson distribution. Let μ = 3 every day, find the P(X ≤
Part 6 of 6 - Probability 2.0/ 2.0 Points Question 19 of 20 1.0/ 1.0 Points If a menu has a choice of 5 appetizers, 4 main courses, and 2 desserts, then the sample space for all possible dinners has how many outcomes? A. 28 B.
11 C. 40 D. 48 Answer Key:C Feedback: 5*4*2 Question 20 of 20 1.0/ 1.0 Points The table below shows the preferences for elective courses of students who are undecided about their majors. Philosophy Digital Art Film Studies Male 9 16 22 Female 6 18 14 What is the probability of randomly selecting a student who is female or prefers Digital Art?
B. 46.2% C. 21.2% D. 84.7% Answer Key:A
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