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Science-Related Homework Help Statistics and Probability Topic started by: asjstr on Jan 19, 2020



Title: Round your answer to the nearest whole number unless indicated otherwise. A ...
Post by: asjstr on Jan 19, 2020

Question 1.

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

An economist wants to estimate mean annual income for recent college graduates majoring in statistics.
How many such incomes must be found if he wants to be 95% confident that the sample mean is within  of the true population mean? Assume that a previous study has revealed that for such incomes
= $5250.

▸ 10,500

▸ 470

▸ 21

▸ 441

Question 2.

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

A laboratory tested 83 chicken eggs and found that the mean amount of cholesterol was 181 milligrams with milligrams. Use a single value to estimate the mean amount of cholesterol for all chicken eggs.

▸ 181 milligrams

▸ 178 milligrams

▸ 83 milligrams

▸ 183 milligrams


Title: Round your answer to the nearest whole number unless indicated otherwise. A ...
Post by: cuddahy99 on Jan 19, 2020
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