Answer:
C
Step-by-step explanation:
To find the percent of adults who use toothpaste, we divide the number of adults who use toothpaste by the total adults.
0.08/0.75
The answer is about 11 percent, so C is the true statement.
Answer:
we should multiply by 6 to get rid of the fractions in problem
Answer: 1.509
Step-by-step explanation:
The formula of Margin of Error for (n<30):-

Given : Sample size : n= 22
Level of confidence = 0.99
Significance level : 
Using the t-distribution table ,
Critical value : 
Standard deviation: 
Then, we have

Hence, the margin of error for a 99% confidence interval for the population mean =1.509
Answer:
if ypu are looking for the minimum it is ( - 5/2 , 3/4) but if you are looking for the vertical intercept it is ( 0 , 7)