Answer:
B
Step-by-step explanation:
I just had the same question :)
Answer:
the pythgorean theorem is
a^2 +b^2=c^2
Step-by-step explanation:
In short, Your Answer would be Option D) 25
Hope this helps!
A)
Let X be the food expenditure of a family.
Let the population mean of an expenditure of a family be.
Let the population standard deviation of an expenditure of a family be.
The proportion families spend more than $30 but less than $490 per month on food is,