Of 25 students (14 boys and 11 girls) in the sixth-grade class at St. Andrew School, five students were absent Thursday.a. What is the probability that two of the absent students were girls?b. What...

Of 25 students (14 boys and 11 girls) in the sixth-grade class at St. Andrew School, five students were absent Thursday.a. What is the probability that two of the absent students were girls?b. What...

i got 4 suits. hearts, diamonds, spades and clubs. one suit is dealt out randomly one after the other. is there any maths/probabilities that would help me predict/guess or look for certain patterns...

There are 500 marketers promoting 9 different products to 60 Million customers. They all have equal capability to reach 6,000 of the customers daily and start promoting on the exact same day. What...

Need help figuring it out the answer is 23/66 but I dont know how i got there?!

I'm having a little trouble with this

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A contest at a fast-food restaurant offered the following cash prizes and probabilities of winning on one visit when a customer buys an...

Suppose three balls are drawn (with replacement) from a bag that contains 4 red balls and 6 green balls. The number of green balls is counted. What is the expected number of greengreen balls...

If you select a red diamond picture card (i,e.) a card that doesn't have a number on it) you win $100. It costs $10 to play this game. What is your expected earnings? if you played this game 10,000...

Two student taking a multiple choice exam with 20 questions and four choices for each question have the same, incorrect answer on seven of eight incorrectly answered problems. The probability that...

What is the probability that the random quadratic expression x^2+2x-15 will be more than 0 if x is chosen randomly over the interval (-10,10)

Suppose I have a fair eight-sided die with three sides painted red and ﬁve sides painted blue, and roll it 4 times. Let X be the number of times the die lands with a red side facing up. What...

Each newborn baby has a probability of approximately 0.49 of being female and 0.51 of being male. The family has four children.

Sheldon has cereal for breakfast everyday. Each day he randomly selects from the six different cereals on his self. The probability that Sheldon has "Just Cereal", one of the cereals, on...

A. 1 to 11 B. 1 to 12 C. 1 to 4 D. 1 to 3

A squash game consists of rallies problem. (Question):- Notes:- P(A wins) = ra / (ra+rb), wins a point in a rally 0 < ra ≤ 100 Suppose...

Must find the quarterly payments with 6% interest needed to raise $200,000 in four years.

How many different teams of 9 players can be formed? note the paseball team consists of 1 pitch and 8 other players.

How to show a proof using probability rules?

A box contains 1010 transistors, 44 of which are defective. If 44 are selected at random, find the probability that a. All are defective. b. None are defective

A box contains 13 green marbles and 9 white marbles. If the first marble chosen was a white marble, what is the probability of choosing, without replacement, another white marble?