Question
The average score for games played in the NFL is 22.1 and the standard deviation is 9.3 points. 8 games are randomly selected. Round all
The average score for games played in the NFL is 22.1 and the standard deviation is 9.3 points. 8 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution.
- What is the distribution ofxx?xx~ N( , )
- What is the distribution ofx x?x x~ N( , )
- P(xx< 25.668) =
- Find the 79th percentile for the mean score for this sample size.
- P(19.368
- Q1 for thexxdistribution =
- P(xx< 158.144) =
- For part c) and e), is the assumption of normal necessary?No or yes
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High School Math 2012 Common-core Algebra 2 Grade 10/11
Authors: Savvas Learning Co
Student Edition
9780133186024, 0133186024
