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If the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10 kg. What the percentage of men that their weights are less than 80 kg? Select one: O a. 89.32 O b. 95.32 O .91.32 O d. 90.32%

If the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10 kg. What the percentage of men that their weights are less than 80 kg? Select one: O a. 89.32 O b. 95.32 O .91.32 O d. 90.32%

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
Section10.3: Measures Of Spread
Problem 23PFA
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If the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10 kg. What is the percentage of men that their weights are less than 80 kg? Select one: O a. 89.32 O b. 95.32 O c. 91.32 d. 90.32%
Transcribed Image Text:If the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10 kg. What is the percentage of men that their weights are less than 80 kg? Select one: O a. 89.32 O b. 95.32 O c. 91.32 d. 90.32%
The number of telephone calls arriving at a switchboard during any 10-minute period is known to be a Poisson random variable with A= 2. Find the probability that more than three calls will arrive during any 10-minute period. Select one: O a. 0.0 O b. 0.234 O c. 0.5 O d. 0.143
Transcribed Image Text:The number of telephone calls arriving at a switchboard during any 10-minute period is known to be a Poisson random variable with A= 2. Find the probability that more than three calls will arrive during any 10-minute period. Select one: O a. 0.0 O b. 0.234 O c. 0.5 O d. 0.143
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