A club with five members will randomly select the president and vice president. Each possible pair will be assigned an equal portion of the interval from 0 to 1. Then a random number generator producing numbers in this interval will determine the outcome. Into how many parts should the interval be divided?A. 9B. 10C. 20D. 25

Answer:C. 20Step-by-step explanation:There are 5 possible candidates for president.After the president is selected, there are 4 remaining possible candidates for vice president.Therefore, the number of permutations is 4 × 5 = 20.