Provide answer for blank 1, blank 2 and blank 3

You have a vector named wait times of measurements of the number of minutes that customers spent waiting for service at a retail outlet. You want to randomly select about one third of these values and compute the average waiting time. Fill in the blanks in the code below to achieve this. You have used the sample function in the previous course. The first argument to this function is a vector and the second argument tells it how many elements to select randomly. In the code below, we want to pass a vector of the numbers from 1 to the length of the vector wait times as the first argument to the sample function. Dun