The weights in grams of oranges grown in a certain area are normally distributed with mean µ and standard deviation ơ. A random sample of 50 of these oranges was taken, and a 97% confidence interval for µ based on this sample was (222.1, 232.1): (a) Find sample mean, î. (a) (b) Find margin of error, E.

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The weights in grams of oranges grown in a certain area are normally distributed
with mean u and standard deviation o. A random sample of 50 of these oranges was taken,
and a 97% confidence interval for u based on this sample was (222.1, 232.1):
(a) Find sample mean, F.
(a)
(b) Find margin of error, E.
(b)
Transcribed Image Text:The weights in grams of oranges grown in a certain area are normally distributed with mean u and standard deviation o. A random sample of 50 of these oranges was taken, and a 97% confidence interval for u based on this sample was (222.1, 232.1): (a) Find sample mean, F. (a) (b) Find margin of error, E. (b)
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