Answer:
30 people
Step-by-step explanation:
8/16=x/60
simplify 8/16 into 1/2,
1/2=x/60
cross product
2*x=1*60
2x=60
x=60/2
x=30
Answer:
15 1/2
Step-by-step explanation:
Answer:11
Step-by-step explanation:
294-107=187
187/17 =11 weeks
Hope this helps :)
Answer:
Step-by-step explanation:
We define X the random variable that represent the heights of a population for ten year old children, and for this case we know the distribution for X is given by:
Where
and
We want to find this probability:

We can use the z score formula to solve this problem given by:
Using this formula we have:
And we can find this probability with this difference
We can use tables for the normal standard distribution, excel or a calculator and we got this
Х - has Danny
2 - has Carly
--------------------------
9 - have together
x + 2 = 9
x = 9 - 2
x = 7 - has Carly.