On a test that has a normal distribution, a score of 29 falls two standard deviations below the mean, and a score of 49 falls three standard deviations above the mean.
Determine the mean of this test.

11 feet 6 inches and 8 feet 6 inches

14

step-by-step explanation:

14 x 3 = 42

.25

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads