This is quite simple, take 24 and divide it by four to get 6 now all you do is multiply 6 by 7 to get 42 so there are 42 blue marbles.
Answer:
Step-by-step explanation:
Given that a research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1096 and x=542 who said yes.
i.e. sample size = 
who said yes =
Sample proportion = 
Std error of proportion = 
Margin of error 95% 
Hence confidence interval for proportions
=
a) Point estimate 
B) Margin of error = 
C) Conf interval = 
D) We are 95% confident that for large random samples representing the population, the proportion of yes will lie between these two values.
Answer:
Step-by-step explanation:
9(2+1)=18+9
9(5-2)=45-18
4(1-8)=4-32
9(2=9)=18+81
I hope and think it’s 12015
Because this what I did I (.89)x
And x = 13500 and I got 12015
The answer is 3
B+4=7
B=7-4
B=3