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8. The mean value of annual imports for a country is normally distributed with mean u=$30 million and standard deviation - $16 million. (a) What dollar value of imports is exceeded only 5% of the time? (b) What fraction of years have import values between 29 and 45 million?

8. The mean value of annual imports for a country is normally distributed with mean u=$30 million and standard deviation - $16 million. (a) What dollar value of imports is exceeded only 5% of the time? (b) What fraction of years have import values between 29 and 45 million?

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
Section10.4: Distributions Of Data
Problem 19PFA
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a move during the next year, given that they have been in the house for five years? (d) What is the probability of a move during the next year, given that they have been in the house for eight years? 8. The mean value of annual imports for a country is normally distributed with mean u=$30 million and standard deviation o= $16 million. (a) What dollar value of imports is exceeded only 5% of the time? (b) What fraction of years have import values between 29 and 45 million? 9. The number of customers at a bank each day is found to be normally distributed with mean = 250 and standard deviation o= have less than 100 customers? (b) More than 320? (c) What number of customers 110. (a) What fraction of days will will be exceeded 10% of the time? The upor for y
Transcribed Image Text:a move during the next year, given that they have been in the house for five years? (d) What is the probability of a move during the next year, given that they have been in the house for eight years? 8. The mean value of annual imports for a country is normally distributed with mean u=$30 million and standard deviation o= $16 million. (a) What dollar value of imports is exceeded only 5% of the time? (b) What fraction of years have import values between 29 and 45 million? 9. The number of customers at a bank each day is found to be normally distributed with mean = 250 and standard deviation o= have less than 100 customers? (b) More than 320? (c) What number of customers 110. (a) What fraction of days will will be exceeded 10% of the time? The upor for y
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