Mathematics, 04.11.2020 18:20 Racheal9145
A consumer advocacy group suspects that a local supermarket's 10 oz. packages of cheddar cheese actually weigh less than 10 oz. The standard deviation is 0.15 oz. The group took a random sample of 35 such packages and found that the mean weight for the sample was 9.95 oz. Calculate the confidence interval. Don't forget to label. Please go 4 decimal spaces on the error, but 2 on the boundaries.
Answers: 2
= sample mean , 
= population standard deviation, n= sample size, 
= Critical z-value.
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A consumer advocacy group suspects that a local supermarket's 10 oz. packages of cheddar cheese actu...
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