D Question 1 10 pts For these exercises, we will consider the cdc data set as the population. 1. Use the hist(), qqnorm(), qqline(), mean() and sd() functions to investigate the distribution of heights in this population. What do we know about the sampling distribution of the sample mean heights for samples of size 10 from this population? 2. Find the probability that the mean of a sample of size 75 is less than 66 inches. 3. Find the probability that the mean of a sample of size 75 is at least 70 inches. Upload Choose a File