Answer:
115
Step-by-step explanation:
it's just 575 divided by 5. hope this helps:)
Let x represent the scores. With mean and standard deviation given,
The Empirical rule states that
1) About 68% of the x values lie between 1 standard deviation below and above the mean
2) About 95% of the x values lie between 2 standard deviation below and above the mean
3) About 99.7% of the x values lie between 3 standard deviation below and above the mean
If we consider this rule, then the percentage of scores that fall within 3 standard deviation (-3 to +3) is 99% because this is closer to 99.7%
Answer:
There were 3 diamonds.
Step-by-step explanation:

Therefore, 

Therefore,




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The answer is 25 I believe