for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. Find out the mean and the standard deviation x | p(x) 0 | 0.05 1 | 0.15 2 | 0.45 3 | 0.25 4 | 0.10

A company's computer must consist of 4 letters with no repetition. How many passwords are possible?

Hey I need some advice. I'm currently a high school junior, and I am HOPELESS at mathematics. I've always managed to scrape by with 65s, and trust me its not lack of effort, I try really hard. All my other grades are over 90s, with the exception of sciences which are in the high 80s. Last year I...

What math is easier- college algbera or liberal arts math?

81 divided by 3726.83 divided by 3158