Ella bell operates a company that buys and sells tickets to sporting events. she deposits the day's receipts into her savings account. in bills, she had 52 one hundreds, 21 fifties, 19 tens, 71 fives, and 63 ones. change included 6 one-dollar coins, 60 fifty-cent pieces, 32 quarters, 121 dimes, and 165 pennies. she also deposited checks for $29.44, $125.65, and $45.94. she wants to receive 5 two-dollar bills in cash.

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.