The recommended daily dietary allowance for zinc among males
Last updated: 5/10/2023
The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg day An article reports the following summary data on intake for a sample of males age 65 74 years n 112 x 12 9 and s 6 74 Does this data indicate that average daily zinc intake in the population of all males age 65 74 falls below the recommended allowance Use a 0 05 State the appropriate null and alternative hypotheses Ho 15 Ha 15 Ho 15 H 15 Ho 15 Ha 15 Ho 15 Ha 15 Calculate the test statistic and determine the P value Round your test statistic to two decimal places and your P value to four decimal places Z P value State the conclusion in the problem context O Reject the null hypothesis There is sufficient evidence that average daily zinc intake falls below 15 mg day Do not reject the null hypothesis There is sufficient evidence that average daily zinc intake falls below 15 mg day Do not reject the null hypothesis There is not sufficient evidence that average daily zinc intake falls below 15 mg day O Reject the null hypothesis There is not sufficient evidence that average daily zinc intake falls below 15 mg day