A recent study of 750 internet users in Europe found that 35% of internet users were women. What is the 96% confidence interval of the true proportion of
women in Europe who use the internet?

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.