39.8% of consumers believe that cash will be obsolete in the next 20 years. Assume that 9 consumers are randomly selected. Find the probability that exactly 3 of the selected consumers believe that cash will be obsolete in the next 20 years. The probability is (Round to three decimal places as needed. Use Binomial Distribution

39.8% of consumers believe that cash will be obsolete in the next 20 years. Assume that 9 consumers are randomly selected. Find the probability that exactly 3 of the selected consumers believe that cash will be obsolete in the next 20 years. The probability is (Round to three decimal places as needed. Use Binomial Distribution

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Assume That when adults with smart phones are randomly selected, 52% use them in meetings or classes. If 25 adult smart phone users are randomly selected, find the probability that exactly 16 of them use their smart phones in meetings or classes. The probability is?( round to 4 decimal spaces)
Assume that when adults with smartphones are randomly selected, 43% use them in meetings or dasses. If 8 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed) Enter your answer in the answer box Save tor Later
Assume that adults with smartphones are randomly selected, 48% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphone in meetings or classes. The probability is? Round to four decimal places as needed.
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