Answer:
There are 9 boys and 12 girls in mrs Clark's class
Step-by-step explanation:
We are given that mrs Clark has 21 students, of which 3/7 are boys
In order to find the number of boys, we multiply 21 by 3/7 which results in 9
This means there are 9 boys and then we just simply subtract 9 from 21 in order to find the number of girls 21-9=12
therefore there are 9 boys and 12 girls in mrs Clark's class
Answer:
254
Step-by-step explanation:
Answer: 0.64
Step-by-step explanation:
Given : The heights of women aged 20 – 29 in the United States are approximately Normal with 
inches and 
inches.
Let x denotes the height of women.
Since 1 feet = 12 inches
5.5 feet = 
inches
Then, the z-score corresponds to x=66 inches will be :-
Hence, the z ‑score for a woman 5.5 feet tall = 0.64
#6 is c
Then on the sheet with 6 questions on it it's
1. a
2. b
3. c
4. a
5. b
6. b
I thing the answer is 75 I may be wrong but that’s what I got
