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Ci for the population mean number of calories

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Reference no: EM132409114

1. In a random sample of 20 sports drinks, the mean number of calories per serving was 88 with a standard deviation of 10 calories. Assuming the number of calories is normally distributed, construct a 99% CI for the population mean number of calories.

2. The GPAs of 8 randomly selected college students are given below.

3.3 3.5 4.0 2.8 3.1 2.5 2.6 3.9

Assume the population of GPAs is normally distributed. Construct a 95% CI for the population mean GPA.

3. In a survey of 1050 U.S. adults, 588 said that chocolate was their favorite ice cream flavor. Construct a 95% CI for the population proportion of U.S. adults who say chocolate is their favorite ice cream flavor.

 

 

Reference no: EM132409114

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