Fill in the blank. Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the standard normal probability distribution with a mean of $387.20 and standard deviation of $68.50. The interval around the mean that contains 95% of the airfares is O A. ($318.70, $455.70) O B. ($352.95, $421.45) OC. ($284.45, $489.95) O D. ($250.20, $524.20)
Fill in the blank. Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the standard normal probability distribution with a mean of $387.20 and standard deviation of $68.50. The interval around the mean that contains 95% of the airfares is O A. ($318.70, $455.70) O B. ($352.95, $421.45) OC. ($284.45, $489.95) O D. ($250.20, $524.20)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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![Fill in the blank.
Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the standard normal probability distribution with a mean of $387.20 and
standard deviation of $68.50. The interval around the mean that contains 95% of the airfares is
...
A. ($318.70, $455.70)
B. ($352.95, $421.45)
O C. ($284.45, $489.95)
D. ($250.20, $524.20)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9ecbc6b6-6518-454f-989a-d1b2a8923a43%2F630991af-3986-48e1-a85d-0b5f74d5eb3f%2Fm4bgad_processed.png&w=3840&q=75)
Transcribed Image Text:Fill in the blank.
Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the standard normal probability distribution with a mean of $387.20 and
standard deviation of $68.50. The interval around the mean that contains 95% of the airfares is
...
A. ($318.70, $455.70)
B. ($352.95, $421.45)
O C. ($284.45, $489.95)
D. ($250.20, $524.20)
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