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QUESTION 5 [16PTS] In a random sample of 200 pregnant Sudanese women, the daily water intake was found to be 2.5 liters per day, with a standard deviation of 1. Previous WHO ndings suggested that the daily intake for pregnant women worldwide was 3 liters per day with d=1.2. Use a hypothesis test to determine whether the world average accurately represents the water intake for all pregnant women. a. . Which equation for determining the mean would you use? Explain. [Zpts] paper Write out the null and alternative hypotheses in symbolic form. [2pts] Calculate the test statistic. Show all steps [3pts] . Is this hypothesis test. left. right or two-tailed.[1pt] Use STATDISK to get precise values for the:[4pts] i. Test statistic ii. P-value iii. Critical value iv. Condence interval From the values obtained in STATDISK, write out conclusive decisions on the null hypothesis [with reason] for each of the three measures lapts] Write out in words an explanatory conclusive statement in the context of the original problem/question. [1pt]