Letxequal the iqof arandomly selected american and assume it follows a normal distribution with the followingparametersx~n(112.8,13.72) . what is the probability that a randomly selected american has aniqhigher thanjohn f. kennedy

This is so hard and it’s for a test

Does the point (1, sqrt 7) lie on circle shown.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.