hello tutor. Please help answer again this one. I asked it from different tutor but i did not understand it that much. Please provide solutions for me to study it. thanks!! :))

(((The other boxes are provided with answers and also the decision is given...))

Problem #1: Henrv See, an owner of a shopping mall in the cou ntrv wants to determine whether the mean income of families living within 1 miles of a proposed location of a mall exceeds am}! 400. At the 0.05 level of signicance, what can be conclude if the mean income of a random sample of 60 families living within 2 miles of the proposed location of the mall is m 24 524 and the standard deviation is lm T63. Formulate the null and alternative Answer: hypothesis. Specify the level of significance. Answer: a = 0.05 (one-tailed to the right) Choose the appropriate test statistic. Answer: NOTE: (The number of samples/families is 60 and 60 is greater than 30) Establish the critical region. Answer: Z critical values: 1.96 Solution: Compute for the value of the test Solution: statistic. Answer: The Decision made:0.24