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arivle123

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Question 1

Solve the problem. Round your answer to one decimal place, if necessary.

The weights (in pounds) of a random sample of 32 new born babies, born at a particular hospital are given below. Find the 95% confidence interval for the mean weight of the population of new born babies born at this hospital.



◦ 7 lb  < μ <  7.6 lb
◦ 7 lb  < μ <  7.4 lb
◦ 7.1 lb  < μ <  7.3 lb
◦ 6.9 lb < μ < 7.5 lb

Question 2

A population proportion is to be estimated from the sample described. Approximate the margin of error for the 95% confidence interval. Round your answer to four decimal places, if necessary.

Sample size = 256, sample proportion = 0.5
◦ 0.0625
◦ 0.0442
◦ 0.0313
◦ 0.0039


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Marked as best answer by arivle123 on Jan 18, 2020

Dunkey

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arivle123

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Reply 2 on: Jan 18, 2020
Thanks for the timely response, appreciate it


sultana.d

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Reply 3 on: Yesterday
Excellent

 

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