Question: Construct a a 98 98 % confidence interval to estimate the population mean when x overbar xequals = 137 137 and s = 35 35

Construct a

a 98

98% confidence interval to estimate the population mean when x overbar

xequals

=137

137 and s = 35

35 for the sample sizes below.

a) nequals

=20

20b) nequals

=70

70c) nequals

=90

90

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