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Suppose you wish to estimate a population mean correct to within 0.15 with a confidence level of .90. You do not know o, but you know that the observations will
range in value between 32 and 40. Complete parts a and b
a. Find the approximate sample size that will produce the desired accuracy of the estimate. You wish to be conservative to ensure that the sample size will be ample for
achieving the desired accuracy of the estimate. (Hint: assume that the range of the observations will equal 40.)
The approximate sample size is
(Round up to the nearest integer.)
frect: 1
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Transcribed Image Text:Suppose you wish to estimate a population mean correct to within 0.15 with a confidence level of .90. You do not know o, but you know that the observations will range in value between 32 and 40. Complete parts a and b a. Find the approximate sample size that will produce the desired accuracy of the estimate. You wish to be conservative to ensure that the sample size will be ample for achieving the desired accuracy of the estimate. (Hint: assume that the range of the observations will equal 40.) The approximate sample size is (Round up to the nearest integer.) frect: 1 Enter your answer in the answer box and then click Check Answer 1part remaining CheckAnsue Clear All Contact is Tarmsnisa rson Edmeation Inc AILabteracianiedi Wanmissions daovria 9:28 a w ere to search 11/5/2
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