About 8% of the population has a particular genetic mutation. 1000 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 1000.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.