you first have 52. Well they take 2 out. Which equals to 50. So does that mean you have to dvide. a card is selected at a random from a standard deck of 52 cards. Than a second card is selected without replacing the first card. find the probabilitiy of selecting two red cards. please help...

Hey guys I am trying to work a problem similar to this 4 married couples are at a dance. The wives randomly select new partners from the 4 men they are with, what is the probability that no one dances with their spouse for the next dance? PLEASE HELP... I'm completely lost

Here is the data 10 mg sub A Placebo headache 15 65 n headache 17 3 Question If two different subjects are randomly selected, find the probability that they will both have a headache. I think that it would be 15/100*17/99 but the...

What are the odds of choosing two clubs out of a deck of 52 cards?

One Ivy League University has found that 40% of its students withdraw without completing the intro statistic course. Assume thst 15 students have registered for the course this semester, find the probability that a. three or fewer will withdraw b. exactly five will withdraw c. what is the means...