You draw two tiles replacing the first before drawing again. What is the probability of getting two tiles worth more than 4 points? There are 12 tiles and there is 3 tiles the are worth more than 4.

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?