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The 98% interval for a statistics test was given by 100+ 7. What is the lower value for the interval? O a. 107 O b. 100 C. 7 d. 93 The 90% interval for a statistics test was given by 72 7. What is the upper value for the interval? O a. 72 O b. 65 O c. 7 O d. 79 For the following hypothesis test: of Ho: u =80 HA: 80 stion a=0.01 with n=70, O=29, and X=85, which one is true Select one: a. reject null hypothesis and conclude that the mean equals 80 O b. fail to reject null hypothesis and conclude that the mean equals 80 O c. reject null hypothesis and conclude that the mean doesn't equal 80 O d. fail to reject null hypothesis and conclude that the mean doesn't equal 80 page For the following hypothesis test: HO: m 2 120 HA: m