Out of 100 emails, 60 are spam and 48 of those contain the word buy. of the remaining 40 emails that are not spam, only 4 emails contain the word buy. given that an email is spam, what is the probability that it contains the word buy?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244