Based on a sample of 200 textbooks at the store, you find an average of 73.02...

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Based on a sample of 200 textbooks at the store, you find an average of 73.02 and a standard deviation of 28.2. The point estimate is: 73.02 The 90 % confidence interval (use z*) is: decimals) Based on this we: Fail to reject the null hypothesis O Reject the null hypothesis (to 3 decimals) to (to 3 Based on a sample of 200 textbooks at the store, you find an average of 73.02 and a standard deviation of 28.2. The point estimate is: 73.02 The 90 % confidence interval (use z*) is: decimals) Based on this we: Fail to reject the null hypothesis O Reject the null hypothesis (to 3 decimals) to (to 3