Instructions: Answer the probability questions based on the given scenario. Use the binomial distribution table. Fifteen percent of cellphone users use their cell phones to access the Internet. In a random sample of 10 cell phone users, what is the probability that: 1. Exactly 2 have used their phones to access the Internet? P(x %3D 2. More than 2 have used their phones to access the Internet? P(x 3. At least 8 have used their phones to access the Internet? P(x )= 4. No more than 5 have used their phones to access the Internet? P(x %3D 5. Between 1 and 3 people, exclusive, have used their phones to access the Internet? P(
Instructions: Answer the probability questions based on the given scenario. Use the binomial distribution table. Fifteen percent of cellphone users use their cell phones to access the Internet. In a random sample of 10 cell phone users, what is the probability that: 1. Exactly 2 have used their phones to access the Internet? P(x %3D 2. More than 2 have used their phones to access the Internet? P(x 3. At least 8 have used their phones to access the Internet? P(x )= 4. No more than 5 have used their phones to access the Internet? P(x %3D 5. Between 1 and 3 people, exclusive, have used their phones to access the Internet? P(
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Transcribed Image Text:Binomial Random Variables
Instructions: Answer the probability questions based on the given scenario. Use the binomial distribution table.
Fifteen percent of cellphone users use their cell phones to access the Internet. In a random sample of 10 cell phone
users, what is the probability that:
1. Exactly 2 have used their phones to access the Internet? P(x
2. More than 2 have used their phones to access the Internet? P(x
3. At least 8 have used their phones to access the Internet? P(x
)=
4. No more than 5 have used their phones to access the Internet? P(x
)3D
5. Between 1 and 3 people, exclusive, have used their phones to access the Internet? P(
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