According to the CDC, in 2015 20% of high school students rode with a driver (in the last 30 days) who had been drinking alcohol. A random sample 16 high school students was chosen. Assume the distribution is normal. Use the Binomial Distribution Table (PDF, 739 KB) (opens in new window) to find the probabilities. Please note, this question is specifically assessing your ability to use the table to find the probability. You may get a slightly different answer due to rounding if you use a calculator or other technology. 1. At least 15 have ridden with a drunk driver. P(r • 15) = 2. Less than 4 have ridden with a drunk driver. P(r + 4) = 3. No more than 2 have ridden with a drunk driver. P(r • 2) = 4. Exactly 11 have ridden with a drunk driver. P(r • 11) = 5. At least 1 have ridden with a drunk driver. P(r 1) = 6. Between 2 and 4 (exclusive) have ridden with a drunk driver. P(2 : 4)

According to the CDC, in 2015 20% of high school students rode with a driver (in the last 30 days) who had been drinking alcohol. A random sample 16 high school students was chosen. Assume the distribution is normal. Use the Binomial Distribution Table (PDF, 739 KB) (opens in new window) to find the probabilities. Please note, this question is specifically assessing your ability to use the table to find the probability. You may get a slightly different answer due to rounding if you use a calculator or other technology. 1. At least 15 have ridden with a drunk driver. P(r • 15) = 2. Less than 4 have ridden with a drunk driver. P(r + 4) = 3. No more than 2 have ridden with a drunk driver. P(r • 2) = 4. Exactly 11 have ridden with a drunk driver. P(r • 11) = 5. At least 1 have ridden with a drunk driver. P(r 1) = 6. Between 2 and 4 (exclusive) have ridden with a drunk driver. P(2 : 4)

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Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Concept explainers

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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Question

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Binomial Random Variable
2.
According to the CDC, in 2015 20% of high school students rode with a driver (in the last 30 days) who had been drinking alcohol.
Finish attemp
A random sample 16 high school students was chosen. Assume the distribution is normal. Use the Binomial Distribution Table
(PDF, 739 KB) (opens in new window) to find the probabilities. Please note, this question is specifically assessing your ability to use
the table to find the probability. You may get a slightly different answer due to rounding if you use a calculator or other
technology.
1. At least 15 have ridden with a drunk driver. P(r
• 15)
2. Less than 4 have ridden with a drunk driver. P(r
+ 4) =
3. No more than 2 have ridden with a drunk driver. P(r
• 2) =
4. Exactly 11 have ridden with a drunk driver. P(r
• 11) =
5. At least 1 have ridden with a drunk driver. Pr
+ 1) =
6. Between 2 and 4 (exclusive) have ridden with a drunk driver. P(2
• 4) =

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