Pay your bills: In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 26 with a standard deviation of 7 days. Assume the data to be approximately bell-shaped.Part 2 of 3 Part 2 of 3(b) Estimate the percentage of customer accounts for which the number of days is between 19 and 33.(Choose one)of the customer accounts have payment made between 19 and 33 days. Approximately 68%Approximately 95%Approximately 75%Approximately 88.9%Almost all(Choose one)

From the provided information, Mean (µ) = 26 Standard deviation (σ) = 7 X~N (26, 7)

In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 26 with a standard deviation of 7 days. Assume the data to be approximately bell-shaped.

In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 26 with a standard deviation of 7 days. Assume the data to be approximately bell-shaped.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Pay your bills: In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 26 with a standard deviation of 7 days. Assume the data to be approximately bell-shaped.

Part 2 of 3

Approximately 68%
Approximately 95%
Approximately 75%
Approximately 88.9%
Almost all
(Choose one)

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