Question
A group of49randomly selected students has a mean age of22.4years.Assume the population standarddeviation is3.8.Construct a98%confidence interval for the population mean. State your interval in the
A group of49randomly selected students has a mean age of22.4years.Assume the population standarddeviation is3.8.Construct a98%confidence interval for the population mean. State your interval in the blanks belowand round each to two decimal places. ( , )
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Cambridge IGCSE And O Level Additional Mathematics Coursebook
Authors: Sue Pemberton
2nd Edition
1108411665, 9781108411660
