Can anyone help best answer will get a Brainiest
1 answer:
Answer:
she goes 60mi for every hour for 2 hrs.
then she stops for 30 min which means the line = flat.
After that she drives at 30mi for every hour, but because she drives for 1 hour only, that’s 30 mi, so the line stops in the middle of the square (aka 30 mi after the stop time she took for her flat tire).
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SOLUTION
From the given data the mean is 62 and standard deviation is 4
It is required to find the probability that a data value is between 57 and 62
That is:
The z scores is calculated using:
Using the x values it follows:
Also,
Thus the required probability is:
Therefore the correct option is C