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please help ty According to Fidelity Investments, the average 401(k) account balance was $99,900 in 2017. To test if this average has recently changed, suppose
please help ty
According to Fidelity Investments, the average 401(k) account balance was $99,900 in 2017. To test if this average has recently changed, suppose a sample of 30401(k) plans was recently selected, and it was found that the average 401(k) balance was $110,110. Assume the population standard deviation is $27,140. Using =0.02, determine the p-value for this test and interpret its meaning. P. value =0.039>0.02 Reject H0 P-value =0.01970.02 Do not reject H0 P-value =0.0197 Step by Step Solution
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