Marsh decided to purchase a 72 inch tv from wal-mart for the retail price of 849.00 she also realized that it was on sale for a discount of 25% what is the actual price that would pay at the register before tax?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.