1. Find the expected number of heads when three coins are tossed based on the probability distribution below. Three Coins Are Tossed Number of Heads Probability 010 8 13/0 8 Nm/00 3 8 318 The 2004 Cincinnati Bengals scored 24, 16, 9, 17, 17, 23, 20, 26, 17, 14, 58, 27, and 28 points in their first 13 games. 2. Find the mean and the standard deviation of the data. 3. Remove the lowest score from the data set. Then find the mean and standard deviation of the new data.
1. Find the expected number of heads when three coins are tossed based on the probability distribution below. Three Coins Are Tossed Number of Heads Probability 010 8 13/0 8 Nm/00 3 8 318 The 2004 Cincinnati Bengals scored 24, 16, 9, 17, 17, 23, 20, 26, 17, 14, 58, 27, and 28 points in their first 13 games. 2. Find the mean and the standard deviation of the data. 3. Remove the lowest score from the data set. Then find the mean and standard deviation of the new data.
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:1. Find the expected number of heads when three coins are tossed based on the probability distribution
below.
Three Coins Are Tossed
Number of Heads
Probability
01100
8
13/8
Nm/00
2
3
8
318
The 2004 Cincinnati Bengals scored 24, 16, 9, 17, 17, 23, 20, 26, 17, 14, 58, 27, and 28 points in their first
13 games.
2. Find the mean and the standard deviation of
the data.
3. Remove the lowest score from the data set.
Then find the mean and standard deviation of
the new data.
4. How do the standard deviation and mean change when you remove the lowest number? Why do you
think this is?
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