How many computers must the ab computer company sell to break even? let x be the number of computers.
cost function: latex: c\left(x\right)=145+\frac{1}{4}xc ( x ) = 145 + 1 4 x
revenue function: latex: r\left(x\right)=1.5x

Use the sample data and confidence level given below to complete parts a through d.a research institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1090 and x=549 who said yes. use a 99% confidecne level.a. find the best point of estimate of the population of portion p.b. identify the value of the margin of error e.e= round to four decimal places as needed.c. construct the confidence interval._ < p < _ round to three decimal places.d. write a statement that correctly interprets the confidence interval.