Calculate the margin of error and construct the confidence interval for the population mean using the Student's t-distribution (you may assume the population data is normally distributed). T-Distribution Table a.  x̄ =82.1, n=63, s=15.8,  90% confidence E=   Round to two decimal places if necessary     <  μ  <     Round to two decimal places if necessary b.  x̄ =35.1, n=43, s=14,  95% confidence E=   Round to two decimal places if necessary     <  μ  <     Round to two decimal places if necessary

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Calculate the margin of error and construct the confidence interval for the population mean using the Student's t-distribution (you may assume the population data is normally distributed).
T-Distribution Table
a.  x̄ =82.1, n=63, s=15.8,  90% confidence
E=
 
Round to two decimal places if necessary
 
  <  μ  <  
 
Round to two decimal places if necessary
b.  x̄ =35.1, n=43, s=14,  95% confidence
E=
 
Round to two decimal places if necessary
 
  <  μ  <  
 
Round to two decimal places if necessary
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