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Author Question: A random sample of n measurements was selected from a population with unknown mean and known ... (Read 152 times)

elizabeth18

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Question 1

Determine the confidence level for the given confidence interval for μ.
± 1.48
◦ 96.5%
◦ 7%
◦ 86%
◦ 93%

Question 2

A random sample of n measurements was selected from a population with unknown mean μ and known standard deviation σ. Calculate a 95% confidence interval for μ for the given situation. Round to the nearest hundredth when necessary.
n = 100, = 58, σ = 20
◦ 58 ± 39.2
◦ 58 ± 3.29
◦ 58 ± 3.92
◦ 58 ± 0.39


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Marked as best answer by elizabeth18 on Feb 14, 2020

ryansturges

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elizabeth18

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Reply 2 on: Feb 14, 2020
Wow, this really help


alvinum

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Reply 3 on: Yesterday
:D TYSM

 

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