probability

it is dark in room and i went to get two socks of he same colour from my drawer,which contains 26 red,24 blue and 34 brown socks.how many socks do i have to take from he drawer to get at least two socks of the each colour?

Suppose flaws occur on the surface of glass with density of 3 per square meter. What is the probability of there being exactly 4 flaws on a sheet of glass of area 0.5 square meter?

How large a sample will we need to be able to assert with probability 0. 90 that the sample mean will not differ from the true mean by more then 2.5 units? Assume that it is known from past experience that

X is a random variable following binomial distribution with mean 2.4 and variance 1.44 find

For his next trick, a magician will draw a “royal flush” – 10, Jack, Queen, King and Ace of the same suit – in the exact order without replacement. If there are no magic tricks and just pure randomness, what is the probability that he'll succeed?

If you make a bunch of cookies, and ten of your friends wanted some cookies. There are, in total, 5 dozen (60) cookies. Each dozen is a different kind; chocolate chip, oatmeal, no-bake, peanutbutter, and gingerbread. If you put all 60 cookies in a tin, wh...

In a certain high school class, consisting of 60 girls and 40 boys , it is observed that 24 girls and 16 boys wear eyeglasses. If a student is picked at rondom from this class, the probability that the student wears eyeglasses is 40/100. what is the proba...

An experiment has two possible outcomes A or B. The probability that A will occur is. You are going to perform this experiment eight times. What is the probability that B will occur at least three times?

Q.4. X is a random variable following binomial distribution with mean 2.4 and variance 1.44 find P[X>5]

X is a random variable following binomial distribution with mean 2.4 and variance 1.44 find P[X>5]

A group consists of 120 students. Of these, 60 are studying French, 50 are studying Spanish and 20 are studying French and Spanish. A student is selected at random. What is the Probability that the student is studying only French?

An experiment has two possible outcomes A or B. The probability that A will occur is 1/3. You are going to perform this experiment eight times. What is the probability that B will occur at least three times?