Suppose a Major League Baseball player’s yearly batting average is, on average,0.200* with variance 0.26. A MLB team has 26 players. Let Xi denote the batting averageof player i on a certain team, and let X26 be the average batting average across the entireteam (that’s a mouthful, so this is just called the “team batting average”).Approximate the probability that a team’s batting average will be between 0.300 and0.400 this year (which would mean a great year for the team!).(* Batting average is the number of successful hits divided by number of swings in totalacross their career.)
Suppose a Major League Baseball player’s yearly batting average is, on average,0.200* with variance 0.26. A MLB team has 26 players. Let Xi denote the batting averageof player i on a certain team, and let X26 be the average batting average across the entireteam (that’s a mouthful, so this is just called the “team batting average”).Approximate the probability that a team’s batting average will be between 0.300 and0.400 this year (which would mean a great year for the team!).(* Batting average is the number of successful hits divided by number of swings in totalacross their career.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Suppose a Major League Baseball player’s yearly batting average is, on average,
0.200* with variance 0.26. A MLB team has 26 players. Let Xi denote the batting average
of player i on a certain team, and let X26 be the average batting average across the entire
team (that’s a mouthful, so this is just called the “team batting average”).
Approximate the
0.400 this year (which would mean a great year for the team!).
(* Batting average is the number of successful hits divided by number of swings in total
across their career.)
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