Language of Probability
The probability of flipping a tail on a 50-cent coin
What is even chance?
The probability that you roll a 4 on a six-sided die
What is 1/6?
What is 1?
Complementary events are pairs of outcomes where one event occurs if the other ____ ____
What is 'does not'?
Two events are mutually exclusive if they ___ ___ happen at the same time
What is 'can not'?
The fraction used to describe an impossible event
What is 0?
The _________ _________ is the set of possible outcomes.
What is sample space?
A bag contains red, blue and yellow marbles. When one marble is chosen at random from the bag, the probability that it is red is 9/21 and the probability that it is blue is 6/21.
Find the probability that it is yellow.
What is 6/21?
Together, complementary events add up to ___
What is '1'?
Inclusive events are events that can happen at the ___ time
What is 'same'?
The descriptors against the odds, doubtful, improbable, and rarely describe the probability of an event that is
What is unlikely?
Find the probability of choosing a red counter if a counter is chosen from a box that contains the following counters.
3 red and 5 yellow
What is 3/8?
A spinner consists of pink, blue and green sections. If the spinner is spun the probability that it will stop on blue is 1/3 and the probability that it will stop on pink is 1/5.
Find the probability that it will stop on green.
What is 8/15?
One a roulette wheel, the probability that the ball will stop on a red number is 18/37.
Find the probability that it will not stop on a red number.
What is 19/37?
The numbers 0 to 9 are written on 10 cards. The cards are shuffled and one card is selected at random. State whether the following event is mutually exclusive or non-mutually exclusive.
Getting an even number, getting a number less than 5
Buckley's chance describes an event that is
What is impossible?
A bag of marbles contains 3 red marbles, 2 green marbles and 5 blue marbles. They are all equal in size and weight. A marble is chosen at random.
Find the probability that a green marble is not chosen.
What is 8/10?
A box contains different coloured counters, with P(purple) = 10%, P(yellow) = 2/3 and P(orange) = 1/7.
Find the probability of selecting a coloured counter that is not purple, yellow, or orange.
What is 19/20?
A bag contains 6 red, 9 blue, and 8 white marbles. One marble is chosen at random from the bag.
Find the probability that it is not a white marble.
What is 15/23?
A pair of dice are rolled at the same time. State whether the following events are mutually exclusive or non-mutually exclusive.
Getting a total of 11, getting a double
What is mutually exclusive?
The probability that the next person to visit your classroom is male
What is likely?
A card is chosen from a standard deck of 52 playing cards that includes 4 aces, 4 kings, 4 queens and 4 jacks. Find the following probabilities.
Find the probability of selecting neither a heart or a king.
What is 36/52?
A bag contains various coloured marbles – some are red, some are blue, some are yellow and some are green. You are told that P(red) = 1/2, P(blue) = 1/4 and P(yellow) = 1/6. You are not told the probability of selecting a green marble.
Find how many green marbles there are in the bag
What is 1?
A unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer.
What is 1023/1024?
A card is selected from a standard deck of 52 playing cards (4 suits, no jokers).
Find the probability that the card selected is a jack or not a diamond.
What is 10/13?