l} The weight (in pounds} for a population of schoolaged chdren is normallydistributed (11 = 135; U = 2(1). In a sample of children {n = l] we are testing whether or not the children are gaining weight at a [1.05 level of significance. a Write the null hypothesis. h. Write the alternate hypothesis. c. What is the critical value of the test statistic? ti. What is the mean of the sampling distribution? e. If the researchers compute a test statistic equal to 2.?4, what is the statistical conclusion in terms of the hypotheses