A contractor purchases 5 dozen pairs of padded work gloves for $67.80. incorrectly calculates the unit price as 13.56 $ per pair for the expense report. What is the correct unit price? What is the error? pls help 50 points plus brainliest.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.