PLEASE HELP In a game, if you roll a 5on a5-sided number cube, you lose a turn.
(a)What is the probability that you roll a 5? Explain your reasoning.
(b)What is the probability that you either roll a 5or do not roll a 5? Explain your reasoning.
(c)What is the probability that you do not roll a 5? Explain your reasoning.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

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.