Question

raw-Hill Education Campus X Em McGraw-Hill Connect Math m/alekscgi/x/Isl.exe/1o_u-IgNsikr7;8P3JH-UjMzMxAHU22X7UJQL7Y32yvkWrZyBVN_f5ZnNjpTTER MATH/STAT 1369_Fall 2019 nect Elementary Statistics: A Brief Version 8 Ed. MATH Hosted by ALEKS Corp. Homework #8 Previous 11 12 13 14 15 16 17 18 19 20 Next Question 11 of 25 (1 point) View problem in a pop-up 8.2 Section Exercise 2 Many people believe that the average number of Facebook friends is 150. The population standard deviation is 36.9. A random sample of 31 high school students in a particular county revealed that the average number of Facebook friends was 134. At a -0.01, is there sufficient evidence to conclude that the mean number of friends is greater than 150? Part 1 out of 5 State the hypotheses and identify the claim with the correct hypothesis. H: (select). (select H: (select Select This hypothesis test is a (select

Answer 1

Solution Noll and alternative Hypotheres Hom= 150 Ha im > 150 2=0.01 zcoitical = 2.33 getting the test statisticas X = 154 M = 150 n - 3) s = 36.9 z = 5e-4 - 154-150 x 0.604 36.9 in 131 As sex and RB3, Z <2.33, we fail to Reject the Noll Hypothers Thebe Preis