# Posts by rency

Total # Posts: 18

math
1/10

math
Thanks a lot ,Im praticing them through the posts and trying to set up similar questions that i can solve them myself .thank you very much.

math
suppose a student is taking multiple choice exam,A,B,C,D,E,with only one of the responses correct.describe the complement method for determining the probabilityof getting at least one of the questions correct on 15question exam,

math
you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both cards are black .express your answer as a simplified fraction.

math
4/52

math
a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9)

math
so the prob of drawn an ace or spade is 4/52

math
a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9) 5/52 is that correct?

math
i got 1/9

math
two 6 sided dice are rolled.what is the probability the sum of the 2 numbers on the dice will be 4 Is 1/3 right?

math
12 wrestlers compete in a competition .if each wrestler wrestles one match each with each other wrestler ,what are the total numbers of matches.

math
there are 6 members on a board of directors .if they must elect a chairperson ,a secretary ,and a treasurer,how many different slates of candidates are possible.

math
8 basketball players are selected to play in a special game.the players will be selected from a list of 27 players .if the players are selected randomly ,whats the probability that the 8 tallest players will be selected.

math
An unprepared student makes random guesses for the ten true or false questions on a quiz.find the probablity that there is at least one correct answer.

statistics
you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both cards are black .express your answer as a simplified fraction.

math
a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are randomly selected find the probability that all of them are acceptable

statistics
a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are randomly selected find the probability that all of them are acceptable.

college
if u pick a card random from a well shuffled deck ,what is the probability you get a face card or a spade.