LetY

Ybe the random variable denoting the sum of the points on the upturned faces of the dice when a pair of dice is rolled. Find the probability that the sum of points of the upturned faces is 5. (approximate in three decimal places)

The manager of a restaurant claims that only3%

3%of the customers are dissatisfied with the service. If this claim is true, what is the probability that in a random sample of 25 customers, at least 23 are satisfied? (approximate in three decimal places)