Astudent writes the difference between 15 and the product of 5 and y to describe the expression 5y negative 15

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55