Answer:
9
Step-by-step explanation:
- Find the square root of 81:
I hope this helps!
Answer:
Step-by-step explanation:
21/8 * 4/1 = 21/2 = 10.5 cups
Answer: 
Step-by-step explanation:
Given : Sample space : n= 559
Sample proportion : 

Significance level : 
Critical value : 
Confidence level for population proportion:-

Hence, 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.= 