Step-by-step explanation:
so from this, I think the difference is 207.84 m
:)
I believe the length is 18 and the width is 3.
Answer:
Step-by-step explanation:
Given that the random variable X is normally distributed, with
mean = 50 and standard deviation = 7.
Then we have z= 
Using this and normal table we find that
a) 
b) When z=0.02
we get

c) 90th percentile z value =1.645
90th percentile of X 
It would be 23 girls if you divide 46 by 2 since your trying to figure out the amount of boys for 46 girls.
1. 6:3
2. 6:2
3. 3:18
4:5:6
5:13
6:x
7:x
8: check
9:check
10: x