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Mathematics, 22.11.2019 23:31 bellojamilet410

Suppose the amount of orange juice consumed (in grams per day) by an american has some distribution whose population standard deviation is known to be 96.0 grams. a random sample of 243 americans was taken by an orange growers association, and they found that, for the sample, the average amount of orange juice consumed per day was 133.0 grams.
a. construct an 80% confidence interval for µ, the true mean amount of orange juice consumed in the us per day, and interpret the interval.

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