a spinner is divided into four colored sections that are not of equal size red blue purple and orange. the arrow on the spinner is spun several times. the arrow on the spinner will be spun one more time. based on these results, what is the probability that the arrow will land on the purple section?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?