Answer: 12 days
Step-by-step explanation:
4+4= 8+4= 12
3+3= 6+3= 9+3= 12
9514 1404 393
Answer:
D. 210
Step-by-step explanation:
If b is the number of boys in the choir, the ratio of boys to girls is ...
b/150 = 7/5
b = 150(7/5) = 30(7) = 210
There are 210 boys in the choir.
For this Q:
mean=31
st.dev.=0.8
x=32
Calculate z-score:
z=(x-m)/s = (32-31)/0.8=1.25
This z-score value corresponding to the probability of 0.8944
<span />
Answer:
The answer is C or x=-4.
Step-by-step explanation:
I hope this helps!
D 66 cats
Hope this helps!