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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 durin morning commute hours. A survey of cars showed that the probability distribution of X is as follows. X P(x) Part 1 of 3 (a) Compute the mean ux. Round the answer to three decimal places as needed. Hx = Part 2 of 3 ox (b) Compute the standard deviation ox. Round the answer to three decimal places as needed. = 1 2 3 4 5 0.65 0.20 0.10 0.03 0.02 Part: 2/3 Part 3 of 3 X (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. X

Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretch of highway durin morning commute hours. A survey of cars showed that the probability distribution of X is as follows. X P(x) Part 1 of 3 (a) Compute the mean ux. Round the answer to three decimal places as needed. Hx = Part 2 of 3 ox (b) Compute the standard deviation ox. Round the answer to three decimal places as needed. = 1 2 3 4 5 0.65 0.20 0.10 0.03 0.02 Part: 2/3 Part 3 of 3 X (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. X

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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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 1 of 3 (a) Compute the mean µx. Round the answer to three decimal places as needed. μχ Part 2 of 3 ox 1 2 3 4 5 0.65 0.20 0.10 0.03 0.02 Part: 2 / 3 (b) Compute the standard deviation ox. Round the answer to three decimal places as needed. Part 3 of 3 X 5 X 3 (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 S
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 1 of 3 (a) Compute the mean µx. Round the answer to three decimal places as needed. μχ Part 2 of 3 ox 1 2 3 4 5 0.65 0.20 0.10 0.03 0.02 Part: 2 / 3 (b) Compute the standard deviation ox. Round the answer to three decimal places as needed. Part 3 of 3 X 5 X 3 (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 S
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