Answer:
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Step-by-step explanation:
As the mean is 20.2 and the standard deviation is 2.4
The range within the first standard deviation is
(17.8,22.6)
This means that we can safely use the range of (18,22) as we cannot confirm whether the other values fall within the range.
Within this range there are
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P times r times t is wwhat you need to do
Answer:
It Depends
Step-by-step explanation:
If the image is the scale, the answer is 1/3, since its width of 3 is 1/3 the width of the actual book.
If the book is the scale, the answer is 3, since its width of 9 is 3 times the width of the image.
Answer:
D and E
Step-by-step explanation:
Both of these answers are still equal to the fraction -2/5.