The daughter is 36 years younger than her mother. How many years ago was the mother 5 times he daughters age, if she is 50 now?
1 answer:
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Answer:
Step-by-step explanation:
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Answer:
2.50 standard deviations above the mean
Step-by-step explanation:
The z-score measures how many a measure is above or below the mean. If the score is positive it is above the mean. If it is negative, it is below. The zscore is given by
In which is the mean and
is the standard deviation.
In this problem, we have that:
Last year there were 64 inches of snow. How many standard deviations from the mean is that?
This is Z when X = 64. So
So the correct answer is:
2.50 standard deviations above the mean