A shipment of 8 computers contains 4 with defects. Find the probability that a sample of size 1, drawn from the 8, will not contain a defective computer. CDS What is the probability that a sample of 1 of the 8 computers will not contain a defective computer? (Type an integer or a simplified fraction.)

A bag with 8 marbles is shown below. (4 marbles are blue, 3 are red, and 1 is yellow.) A marble is chosen from the bag at random. What is the probability that it is blue? Write your answer as a fraction or a whole number. д 8 X

A creative writing class compiled a list of their favourite superheroes. They listed each superhero's superpower and personality flaw. Forgetful Lazy Fly 3 8 Read minds 3 5 What is the probability that a randomly selected superhero can read minds given that the superhero is lazy? Simplify any fractions. Submit

Consider a political discussion group consisting of 5 Democrats, 10 Republicans, and 3 Independents. Suppose that two group members are randomly selected, in succession, to attend a political convention. Find the probability of selecting two Republicans. (Type an integer or a simplified fraction.) C

A box contains 3 white, 2 red, and 5 black marbles. One marble is chosen at random, and it is not black. Find the probability that it is white. (Enter your answer as a fraction.)

A thief steals an ATM card and must randomly guess the correct four-digit pin code from a 7-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is. (Type an integer or fraction. Simplify your answer.)