Suppose a math class contains 23 students, 13 females (six of whom speak French) and 10 males (two of whom speak French). Compute the probability that a randomly selected student is female, given that the student speaks French.

10) There are five nickels and five dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. The first coin is a nickel and the second coin is a dime.

You roll a fair six-sided die. The die shows a two or a three

4) A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. The first piece of fruit is an apple and the second piece is a peach.

Modéliser, calculer On tire au hasard deux cartes dans un jeu de 52 cartes. 1. Combien y a-t-il de tirages possibles? 2. Dénombrer les tirages qui comportent un as et un roi. En déduire la probabilité d'un tel tirage. 3. Une paire est un tirage constitué de deux cartes de même hauteur. a. Combien ya-t-il de paires d'as? En déduire le nombre total de paires. b. Calculer la probabilité d'obtenir une paire. 4. Quel est le plus probable : tirer deux cœurs ou tirer une paire?

9) A cooler contains twelve sports drinks: five lemon-lime and seven orange. Three of the lemon-lime and five of the orange drinks are cold. The others are still warm. You randomly grab a bottle. It is orange flavored or warm.