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Mathematics, 29.01.2021 21:40 jaeana

3.2 Section Exercise 4 Question 5 of 11 (1 point) | Attempt 1 of Unlimited | View question in a popup
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 27 with a standard deviation of 3 days. Assume the data to be
approximately bell-shaped.
TM
Part: 0/3
Part 1 of 3
G
(a) Between what two values will approximately 95% of the numbers of days be?
do
X
alo
and
Approximately 95% of the customer accounts have payment made between
days.

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Answers: 2

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