A set of test scores are normally distributed. The mean is 100 and the standard deviation is 20. These scores are converted to s
1 answer:
Answer:
The z-scores of both the mean and the median are zero.
Step-by-step explanation:
In a normal distribution, the mean and median values will be the same, in this case, 100. Therefore, both the mean and median will have the same score.
The z-score is given by:
For X = 100:
The z-scores of both the mean and the median are zero.
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Given:
Terri plans to charge a base fee of $10 plus $7 per hour for babysitting.
To find:
The function that could be used to represent her total charge for the babysitting service, y, as a function of the number of hours she babysits, x.
Solution:
Let y be the total charge for the babysitting service for x hours.
Base fee = $10
Additional fee for one hour = $7
Additional fee for x hour = $7x
Total fee = Base fee + Additional fee for x hours
Therefore, the equation of required function is .
Answer:
28 units
Step-by-step explanation:
Since, given triangles have same perimeters.
So perimeter of each triangle is 28 units