Question
Suppose baseball batting averages were normally distributed with mean 250 and standard deviation 15. Using the...
Suppose baseball batting averages were normally distributed with mean 250 and standard deviation 15. Using the approximate EMPIRICAL RULE about what percentage of players would have averages BETWEEN 220 and 235 ?
Question 6 options:
|
About 99.7% |
|
|
About 97.5% |
|
|
About 95% |
|
|
About 84% |
|
|
About 68% |
|
|
About 47.5% |
|
|
About 34% |
|
|
About 20% |
|
|
About 16% |
|
|
About 13.5% |
|
|
About 2.5% |
|
|
Less than 1% |
|
|
No Answer within 1% Given |
Question 7 (1 point)
Suppose men's heights were normally distributed with mean 180 cm. and standard deviation 20 cm. Using the approximate EMPIRICAL RULE about what percentage of heights would be BELOW 160?
Question 7 options:
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About 99.7% |
|
|
About 97.5% |
|
|
About 95% |
|
|
About 84% |
|
|
About 68% |
|
|
About 47.5% |
|
|
About 34% |
|
|
About 20% |
|
|
About 16% |
|
|
About 13.5% |
|
|
About 2.5% |
|
|
Less than 1% |
|
|
No Answer within 1% Given |
Homework Answers
Answer #1
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