3) Brian calculates that he will send 95 messages in one day. He only sends 80 messages in one day. What is Brian's percent error?

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).

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8