Activity 2: Time is gold!
2 answers:
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Answer:
And then the percentage between 24 and 40 would be
Step-by-step explanation:
For this problem we have the following parameters given:
And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.
From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.
We can find the number of deviations from themean for the limits with the z score formula we got:
And replacing we got:
And then the percentage between 24 and 40 would be
If you want the area of a square with given side, you have to square the length of the side.
So, if the side is , the area will be