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priscymtz27
05.05.2020 •
Mathematics
When Aubree goes bowling, her scores are normally distributed with a mean of 190 and a standard deviation of 14. Using the empirical rule, what percentage of the games that Aubree bowls does she score between 148 and 232?
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Ответ:
By the Empirical Rule, in 99.7% of the games that Aubree bowls she scores between 148 and 232
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 190
Standard deviation = 14
Using the empirical rule, what percentage of the games that Aubree bowls does she score between 148 and 232?
148 = 190 - 3*14
So 148 is 3 standard deviations below the mean.
232 = 190 + 3*14
So 232 is 3 standard deviations above the mean
By the Empirical Rule, in 99.7% of the games that Aubree bowls she scores between 148 and 232
Ответ:
Hope this helps!!
Step-by-step explanation:
So I would make the number line basically the negative numbers on the left and the positive numbers on the right. Basically you would put the 4 and 1/2 on the negative side so I think it would look like this -4 1/2 and for 3.35 you would put it on the positive side so it would look like this 3,25 and for the 1 you would put it on the positive side so the right side and put it as 1.