You randomly sampled 40 Individuals twice In the first sample 15 of the 40 had type O In your second sample 20 o the 40 had type

Question

You randomly sampled 40 Individuals twice In the first sample 15 of the 40 had type O In your second sample 20 o the 40 had type O Find the calculated z score used to compare proportions and interpret it Use a confidence level 95 For your convenience the formula is PI Pl VAL P Confidence Level 90 95 99 99 0 05 0 025 0 005 Critical score 1 645 1 96 2 576 O The calculated z score is 1 13 which is not less than the critical value of 196 so we fail to reject the null hypothesis The calculated z score is 1 13 which is not less than the critical value of 1 96 so we reject the null hypothesis O The calculated z score is 1 13 which is not greater than the critical value of 1 96 so we fail to reject the null hypothesis O The calculated z score is 1 13 which is not greater than the critical value of 1 96 so we reject the null hypothesis

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