4 a and b

Quizzes 2 X Quizzes 2 X Homework 5.2 | 1hr * *Chat Thread X + G 9% smu.instructure.com/courses/136977/external_tools/retrieve?display=full_widthurl=https%3A%2F%2Fsmu.quiz-Iti-iad-prod.instructure.com%... Finish update : BB M Gmail YouTube Maps All Bookmarks Return Account 4 / 2 points When a survey calls residential telephone numbers at random, only 35% of the calls reach a live person. You watch the random dialing machine make 20 calls. Use the Excel Dashboard function = binom. dist (k, n, p, cumulative?) to calculate the binomial probabilities below. Use 4 decimal places. Courses X 0.0136 (a) What is the probability that exactly 2 calls reach a person? Groups Calendar X 0.0276 Eh (b) What is the probability that 2 or fewer calls reach a person? Inbox Feedback History ? General Feedback Help For (a), use Excel to enter = binom. dist (2, 20, 0.35, false) For (b), enter = binom. dist (2, 20, 0.35, true) 5 3 / 4 points K