A four-person committee is chosen from a group of eight boys and six girls. If students are chosen at random, what is the probability that the committee consists of all boys?

A• 4/ 1001
B• 15/ 1001
C• 10/ 143
D• 133/ 143

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12