The number of books sold over the course of the four-day book fair were 190, 100, 272, and 74. Assume that samples of size 2 are
randomly selected with replacement from this population of four values. Identify the probability of each sample, and describe the sampling distribution of the sample means.
The marginal product of the labor which joan can make a bottle 8 smoothies in an hour and when she is wokring with her friend they can make a total of 18 bottle of smoothies an hour. The formula is 18 / 2 = 9.9 is the marginal product of labor.So the answer is C. 9
