probability

Question

if P(A)=1/2 , P(B)=0 then find P(A/B).

Answer 1

Answer is 0(zero); as this is conditional Probability that "Probability of A that B already occur". here event B is not occur since Probability of A/B is zero. Can also proved by P[A/B] = P[A Intersection B] / P[B] P[A/B] = 0/0 = 0 As there is no Common in A & B because B Probability is zero.

Answer 2

If the probability of rain on any given day in City X is 50 percent , what is the probability that it rains on exactly 3 days in a 5-day period?

Answer 3

23% blue eyes 45%male 5% arch fingerprints

Answer 4

what is the probability of winning lottery when i have 5 numbers correct in a jackpot and numbers are bwtween 1 and 56 and in a seperate drawing i have a single number correct between 1 and 46. what is my probiliablity of winning jackpot?

Answer 5

in oblako county, any day can be either sunny or cloudy. if a day is sunny, the following day will be sunny with probability 0.6. if a day is cloudy, the following day will be cloudy with probability 0.7. suppose it os cloudy on Monday. 1- what is the probability that it will be sunny on Wednesday ? 2- what is the probability that it will be sunny both Tuesday and Wednesday ?

Answer 6

What is the probabilitiy that a person dies before finishes typing the question?

Answer 7

draw ten number cards to each probability p(4)=three tenths

Answer 8

if you are dealt 5 cards from a shuffled deck of 52 cards, find the probability of 3 queens and 2 kings

Answer 9

what is the probability of 5 monday of february 2016

Answer 10

 

what's the probability rolling a pair of dice at the bellagio casino in las vegas there is 1 chance in 36 that the outcome is a 12.

Answer 11

the probability that a student is left handed is 10% or .10 . find the probability that at least 4 of the next 10 student entering the classroom are left-handed.

Answer 12

what is the probability of choosing a coke then a diet coke out of a cooler filled with 12 cokes and 9 diet cokes

Answer 13

What is the probability that a waitress will refuse to serve alcoholic beverages to only three minors if she randomly checks the I.D’s of five students from among 10 students of which four are not of legal age?

Answer 14

If two ordinary dice are rolled, what is the probability that the sum of the dots will be 9?

Answer 15

probability

Answer 16

There are 3 heads. What is the complementry event for "no heads"? Calculate the probability of the complementry event.

Answer 17

You through a dice once .calculate the probability of getting a 5,6,1 and an even number and odd number