The time that a customer takes to complete a transaction in the business line at the bank follows a normal distribution with a mean of 5.4 minutes and a standard deviation of 1.7 minutes Above how many minutes will 20% of the customers spend in completing a transaction? O a. 6.115 O b. 0.4207 0.84 O d. 6.828
The time that a customer takes to complete a transaction in the business line at the bank follows a normal distribution with a mean of 5.4 minutes and a standard deviation of 1.7 minutes Above how many minutes will 20% of the customers spend in completing a transaction? O a. 6.115 O b. 0.4207 0.84 O d. 6.828
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![The time that a customer takes to complete a transaction in the business line at the bank
follows a normal distribution with a mean of 5.4 minutes and a standard deviation of 1.7
minutes
Above how many minutes will 20% of the customers spend in completing a
transaction?
O a. 6.115
O b. 0.4207
Ос.
0.84
O d. 6.828](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc1c2203c-af90-4028-8865-a85bd7dba997%2Fced2837e-5a69-4986-9058-12cafaad2705%2Fqqq9l3_processed.png&w=3840&q=75)
Transcribed Image Text:The time that a customer takes to complete a transaction in the business line at the bank
follows a normal distribution with a mean of 5.4 minutes and a standard deviation of 1.7
minutes
Above how many minutes will 20% of the customers spend in completing a
transaction?
O a. 6.115
O b. 0.4207
Ос.
0.84
O d. 6.828
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Given Data
Population Mean,μ = 5.4
Population Standard Deviation,σ = 1.7
Step by step
Solved in 3 steps
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