kaleb had 63 dollars. if he spent 7 dollars on new books, what is the ratio of money he still has to money he's spent?
2 answers:
You might be interested in
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
Answer:
x = 6.9
Step-by-step explanation:
solve for x