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A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be
A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 24.2 and the sample standard deviation is found to be s = 6.3. Determine if the population mean is different from 26 at the = 0.01 level of significance. Complete parts (a) through (d) below. Ha: = 26 H 26 (b) Calculate the P-value. P-value = (Round to three decimal places as needed.) (c) State the conclusion for the test. O A. Do not reject Ho because the P-value is less than the a = 0.01 level of significance. O B. Do not reject Ho because the P-value is greater than the o= 0.01 level of significance. O C. Reject Ho because the P-value is less than the a = 0.01 level of significance. O D. Reject Ho because the P-value is greater than the a = 0.01 level of significance
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