In a class of 80 students, 40 are girls and 40 are boys. Also, exactly 50 students wear glasses. Then the set of all possible numbers of boys without glasses is ? I dont understand as how to make...

At a middle school, there are 5 students on the chess team. The coach will pick 2 students to play the next game. How many choices does the coach have when picking the two students?

I have 24 playing cards made up of 3 spades and 21 non-spades. If I deal 8 cards each to three players, what is the probability that each player ends up with exactly one spade in his hand?

4 students diya pooja anu tony appeared in the examination consisting of 4 papers mathematics physics chemistry biology no two or more persons got the same rank in any subjects and no person got the...

A box has ten chits numbered 0,1,2,3.....,9. First chit is drawn at random and kept aside. From the remaining a second chit is drawn at random. What is the probability that the second chit drawn is...

A High school baseball player has a 0.321 batting average. (This means the probability that they will get a hit in any one at-bat is 0.321)   In one game, the player gets 7 at-bats. What...

the Wilson family had 8 children. Assuming that the probability of a child being a girl is .5, find the probabilirt that the Wilson family had:   atleast 6 girls: at most 8 girls...

two dice (a and b) are rolled, and the resulting numbers a and b are noted. if a rectangle is constructed with vertices at P(0,0), A(a,0), B(0,b), and C(a,b), what is the probability that the line...

On a particular weekend, 100 customers made purchases at Green Thumb Garden supply store. Of these 100 customers 30 purchased tools, 45 purchased fertilizer, 50 purchased seed, 15 purchased seeds...

lyle has only 5 songs on his work out playlist. 3 of the songs are rap songs and 2 of the songs are bounce songs list all the possible outcomes for the first two songs played