5.1) A random sample of 90 people were selected to determine their preference for either Coke or Pepsi. If it is known that the probability that a randomly selected person will prefer Coke is 0.7, determine the probability of the following: 5.1.1) Exactly 40 people will prefer Pepsi. 5.1.2) Between 40 and 60 people will prefer coke. 5.1.3) The expected number of people who will prefer Pepsi in a random sample of 250 people.
5.1) A random sample of 90 people were selected to determine their preference for either Coke or Pepsi. If it is known that the probability that a randomly selected person will prefer Coke is 0.7, determine the probability of the following: 5.1.1) Exactly 40 people will prefer Pepsi. 5.1.2) Between 40 and 60 people will prefer coke. 5.1.3) The expected number of people who will prefer Pepsi in a random sample of 250 people.
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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![5.1) A random sample of 90 people were selected to determine their preference for either Coke or Pepsi. If it is known
that the probability that a randomly selected person will prefer Coke is 0.7, determine the probability of the
following:
5.1.1) Exactly 40 people will prefer Pepsi.
5.1.2) Between 40 and 60 people will prefer coke.
5.1.3) The expected number of people who will prefer Pepsi in a random sample of 250 people.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F985f56dd-85a1-4e9b-aa4e-616c59216ee4%2Ffe908a6b-bca2-4c93-9cde-95e4dc07bd0e%2Fl3lj9dd_processed.png&w=3840&q=75)
Transcribed Image Text:5.1) A random sample of 90 people were selected to determine their preference for either Coke or Pepsi. If it is known
that the probability that a randomly selected person will prefer Coke is 0.7, determine the probability of the
following:
5.1.1) Exactly 40 people will prefer Pepsi.
5.1.2) Between 40 and 60 people will prefer coke.
5.1.3) The expected number of people who will prefer Pepsi in a random sample of 250 people.
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