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 32 with a standard deviation of 6 days. Assume the data to be approximately bell-shaped. Part: 0/3 Part 1 of 3 (a) Estimate the percentage of bills for which payment was made in greater than 38 days. Approximately % of the bills have payments made in greater than 38. X S

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Author:Amos Gilat
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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 32 with a standard deviation of 6 days. Assume the data to be approximately bell-shaped.
Part: 0/3
Part 1 of 3
(a) Estimate the percentage of bills for which payment was made in greater than 38 days.
Approximately
% of the bills have payments made in greater than 38.
X
S
Transcribed Image Text: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 32 with a standard deviation of 6 days. Assume the data to be approximately bell-shaped. Part: 0/3 Part 1 of 3 (a) Estimate the percentage of bills for which payment was made in greater than 38 days. Approximately % of the bills have payments made in greater than 38. X S
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(b) Estimate the percentage of bills for which payment was made in less than 20 days.
Approximately 12% of the bills have payments made in less than 20.
X
Part: 2/3
Part 3 of 3
(c) Estimate the percentage of bills for which payment was made between 26 and 32 days.
Approximately 68 % of the bills have payments made between 26 and 32.
X
Transcribed Image Text:(b) Estimate the percentage of bills for which payment was made in less than 20 days. Approximately 12% of the bills have payments made in less than 20. X Part: 2/3 Part 3 of 3 (c) Estimate the percentage of bills for which payment was made between 26 and 32 days. Approximately 68 % of the bills have payments made between 26 and 32. X
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