Concept explainers
To find the percent of players that have times between
Answer to Problem 20SGR
Explanation of Solution
Given:
The times in the
Calculation:
Consider the times in the
Consider the random variable
Consider the events
Where
Consider the probability:
Calculate this using TI-83 calculator.
Step 1: Press 2nd, VARS and Selects the DRAW;
Step 2: Press
Therefore,
Therefore
To find the number of
Answer to Problem 20SGR
Explanation of Solution
Given:
The times in the
Calculation:
Consider the events:
Where are the standard normal distributions.
Consider the probability:
Therefore,
Therefore, of players have times less than seconds.
As total number of players in the sample is therefore the number of players has times less than seconds is;
Therefore, the numbers of players have times less thanseconds is
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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