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If the confidence level is 90%, find the Margin of sampling error. The population is normally...

If the confidence level is 90%, find the Margin of sampling error.

The population is normally distributed, the sample size is 15 and the sample mean is 75 and the std. dev is 5.
math   Statistics-And-Probability   
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Answer #1

C. Civen fiom -he givtn data, Sample Sise () 15 Simple menn (x) tarad deviato 5 2s texe, ropuletionaly dhshted Conflidence In) 01 dlev ulation A Noma 1-0.90 心= 0.10 o6005 dp. 14 # 1-1606a in 2.21

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