A study of a local high school tried to determine the mean height of females in the US. A study surveyed a random sample of 125 females and found a mean height of 64.5 inches with a standard deviation of 5 inches. Determine a 95% confidence interval for the mean.

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first part of confidence interval: 60.21, 61.54, 67.83, or 63.62

A study of a local high school tried to determine the mean height of females in the US. A
study surveyed a random sample of 125 females and found a mean height of 64.5 inches
with a standard deviation of 5 inches. Determine a 95% confidence interval for the mean.
Confidence
Interval
80%
1.282
85%
1.440
90%
1.645
95%
1.960
[ Select ]
99%
2.576
69.72
67.85
99.5%
2.807
65.38
99.9%
3.291
64.37
confidence interval: ( [Select ]
[Select]
Transcribed Image Text:A study of a local high school tried to determine the mean height of females in the US. A study surveyed a random sample of 125 females and found a mean height of 64.5 inches with a standard deviation of 5 inches. Determine a 95% confidence interval for the mean. Confidence Interval 80% 1.282 85% 1.440 90% 1.645 95% 1.960 [ Select ] 99% 2.576 69.72 67.85 99.5% 2.807 65.38 99.9% 3.291 64.37 confidence interval: ( [Select ] [Select]
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