# Question 10 of 20 00 10 points does the following

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Question 10 of 20 0.0/ 1.0 Points Does the following table represent a valid discrete probability distribution? x 1 2 3 4 5 P ( X = 0.11 0.06 0.18 0.06 0.96
Question 11 of 20 0.0/ 1.0 Points True or False: The following table represents a valid discrete probability distribution. x 1 2 3 4 5 P(X = x ) 0.16 0.06 0.05 0.21 0.01
Feedback: The probabilities need to add up to 1 or 100%
Question 12 of 20 0.0/ 1.0 Points The random variable X = the number of vehicles owned. Find the standard deviation of the number of vehicles owned. Round answer to 4 decimal places.
Question 13 of 20 0.0/ 1.0 Points Does the following table represent a valid discrete probability distribution? x 1 2 3 4 5 P ( X = x ) 0.16 0.11 0.06 - 0.36 0.21 A. yes
B. no Answer Key:B Feedback: No, since the probabilities do not add up to 1 and all probabilities need to be between 0 and 1. Probabilities cannot be negative. Part 5 of 6 - Poisson Distribution 0.0/ 5.0 Points Question 14 of 20 0.0/ 1.0 Points There are on average 20 old growth Sitka Spruce trees per acre in a local forest. Find the probability that that there are more than 8 Sitka Spruce trees in a ¼ acre. Round answer to 4 decimal places. Answer:
Question 15 of 20 0.0/ 1.0 Points If random variable X has a Poisson distribution with mean = 4.5 find the probability that X is