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(a) Compute the mean μx. Round the answer to three decimal places as needed. μx = Part: 1/3 Part 2 of 3 ox (b) Compute the standard deviation Oy. Round the answer to three decimal places as needed. X = X

(a) Compute the mean μx. Round the answer to three decimal places as needed. μx = Part: 1/3 Part 2 of 3 ox (b) Compute the standard deviation Oy. Round the answer to three decimal places as needed. X = X

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
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Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is as follows. X P(x) Part: 0 / 3 Part 1 of 3 HX (a) Compute the mean µ¸ . Round the answer to three decimal places as needed. = Part: 1 / 3 Part 2 of 3 ox 1 0.65 Part: 2 / 3 2 3 4 5 0.20 0.10 0.03 0.02 Part 3 of 3 (b) Compute the standard deviation σ . Round the answer to three decimal places as needed. X S X S (c) To save energy, a goal is set to have the mean number of occupants be at least two per car. Has this goal been met? Since the computed mean number of occupants is then this goal to have the mean number of occupants be at least two per car (Choose one) been met. I X 5
Transcribed Image Text:Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is as follows. X P(x) Part: 0 / 3 Part 1 of 3 HX (a) Compute the mean µ¸ . Round the answer to three decimal places as needed. = Part: 1 / 3 Part 2 of 3 ox 1 0.65 Part: 2 / 3 2 3 4 5 0.20 0.10 0.03 0.02 Part 3 of 3 (b) Compute the standard deviation σ . Round the answer to three decimal places as needed. X S X S (c) To save energy, a goal is set to have the mean number of occupants be at least two per car. Has this goal been met? Since the computed mean number of occupants is then this goal to have the mean number of occupants be at least two per car (Choose one) been met. I X 5
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