Im autistic............................................................................................
Answer:
15
Step-by-step explanation:
Given that:
Mean (μ) = 1500
Standard deviation (σ) = 150
Sample size = 100
Mean (m) = 1400
Margin of Error of sample :
Standard deviation / √sample size
σ / √n
150 / √100
150 / 10
= 15
Answer:
5
6
2
+
1
9
−
1
0
Step-by-step explanation:
4/7 of the children in the pool are girls
3/7 of the children in the pool are boys
4/7:3/7
4:3 is the ratio of girls to boys