Thread: Crossword puzzle help

A crossword puzzle is published in px"the times" each day of the week except Sunday. A man is able to complete on average 8 out 10 of the crossword puzzles. Find to 3.s.f, the probability that, in a period of four weeks, he completes 4 or fewer crossword puzzles in only one of the four weeks. Could someone provide the working for the answer? I'm new here so thanks alot

what is the destibution of your random variable?