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Arlecino [84]
3 years ago
7

NEED HELP PLEASE ASAP! please don’t waste my time i need this grade.

Mathematics
1 answer:
Arlecino [84]3 years ago
8 0
Hmm I think the answer is 95%
1 standard deviation is 13
To find out the range of scores that fit 1 standard deviation from the mean, you would have to take away and add 13 from the mean (133) this gives a range of 120-146 which isn’t right because you’re looking for 107-159.
Next, look for 2 standard deviations from the mean which is just 13 x 2=26.
To find the range of scores that are 2 standard deviations from the mean take away and add 26 to the mean (133) which gives a range of 107-159. This is the correct answer.
2 standard deviations represents 95% of the data. That’s why I think the answer is 95%.

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C.The probabilities are equal.  

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Now, the given statements are

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