The head of maintenance at xyz rent-a-car believes that the mean number of miles between services is 21352135 miles, with a variance of 145,924145,924. if he is correct, what is the probability that the mean of a sample of 4040 cars would differ from the population mean by less than 2929 miles? round your answer to four decimal places.

30 people weigh 160 pounds or more

his first public project he is asked to create a small scale drawing. the garden is a right triangle with base 25m and height 30m. are you trying to solve for the last side/hypotenuse? the irrational form of the answer would be 5\sqrt{61}

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."