Question 2

Suppose that a basket contains 20 chicks in which five are dead. If two chicks are randomly selected and removed from the basket in a row without replacement, what is the probability that the two dead chicks are removed? (2 Marks)

Question 3

A student bought three dice in a local store. When he came back home, he shows his brother the new dice that he just bought. His brother took one dice and roll in twice in the floor and observe the number that appears on the dice.

a) In the context of probability, what is the experiment that was conducted in the statement above? (1 Mark)

b) How many possible outcomes from the experiment?

Question 4

Find the variance and standard deviation of ?, where;

? = ?h? jQuery22405088434175852645_1622445384427???? ?h??? ?? ? ????

(Hint: create a discrete probability distribution for ?)