Based on a sample of 30 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 123.7 cm to 129.5 cm Determine the margin of error involved in this confidence interval.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Based on a sample of 30 randomly selected years, a 90% confidence interval for the mean annual precipitation
in one city is
from 123.7 cm to 129.5 cm
Determine the margin of error involved in this confidence interval.
Select one:
1.45 cm
O b. 1.7 cm
2.9 cm
5.8 cm
There is not enough information to find the margin of error.
a.
C.
d.
e.
Transcribed Image Text:Based on a sample of 30 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 123.7 cm to 129.5 cm Determine the margin of error involved in this confidence interval. Select one: 1.45 cm O b. 1.7 cm 2.9 cm 5.8 cm There is not enough information to find the margin of error. a. C. d. e.
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