A recent survey found the following distribution for the number of hours a person sleeps per night. Less than 6 hours 9 Enter your answer as a fraction without simplifying. Decimals will not be accepted. If the probability is 13/52, then enter 13/52 as your answer (NOT 1/4 or 0.25) Find these probabilities for a person selected at random: The person sleeps fewer than 8 hours per night = The person sleeps more than 7 hours per night = The person sleeps at least 7 hours per night = The person sleeps at most 8 hours per night =