B
Explanation:
A Variable is a symbol for a number we don't know yet. We don’t know the number of colors on the page.
Answer:
And the confidence interval would be:

Step-by-step explanation:
Information given:
represent the sample size
represent the estimated proportion
The confidence interval would be given by this formula
For the 98% confidence interval the value of
and
, with that value we can find the quantile required for the interval in the normal standard distribution.
And replacing into the confidence interval formula we got:
And the confidence interval would be:

Answer:
1. x= y/5 + 22/5
2. y=17 − 3x2
Step-by-step explanation: