ENGINEERINGDaily revenue from vending machines placed in various buildings of a major university is as follows:
$$
\begin{array} { l } { 20,75,43,62,51,52,78,33,28,39,61,56,43,49,48,49 } \\ { 71, 53, 57, 46, 42, 41, 63, 36, 51, 59, 40, 32, 37, 29,26 } \end{array}
$$
(a) Construct a frequency distribution table with a cell size of 12 starting with 19.5 (i.e., first cell is 19.5–31.5, next is 31.5–43.5, etc.). (b) Determine the probability distribution. (c) What is the probability of revenue from a machine being less than $44? (d) What is the probability that revenue from a machine will equal or exceed$44?