MBF3CName:
Unit Test – Probability
Part A: True/False
Indicate whether the statement is true or false on the line provided.
_____1.When rolling a six-sided die, the probability of rolling a 4 or greater is .
_____2.In real-life situations such as sports and weather prediction, the probability of an event occurring is based on experimental data.
_____3.When rolling two six-sided dice, the chance of rolling an odd sum is greater than an even sum.
_____4.There are more outcomes when tossing three coins than when rolling a six-sided die.
_____5.The experimental probability and theoretical probability of an event are not necessarily the same.
Part B:Multiple Choice
Identify the choice that best completes the statement or answers the question. Place the letter of your choice on the line to the left of the question number.
______6.A bag has identical balls of these colours: 1 white, 6 red, 9 green, and 3 purple. Without
looking, a ball is drawn from the bag. You would most likely get a
a) green ballb) purple ballc) red balld) white ball
______7.If the probability of having rain tomorrow is 60%, what is the probability of not having rain
tomorrow?
a)b) c)d)
______8.When a coin is tossed 4 times, what is the total number of possible outcomes?
a) 4b)8c)12d)16
______9.What could be the experimental probability of drawing a black face card from a deck of playing
cards with the jokers removed?
a)b) 11.5%c)d) all of the above
______10.Two coins are tossed simultaneously. What is the probability of tossing two heads?
a)25%b)50%c)75%d)100%
______11.A coin is tossed three times. What is the probability of tossing three heads in a row?
a)b) c)d)
______12.A coin is tossed three times. What is the probability of tossing at least two heads?
a)b) c)d)
______13.A six-sided die is rolled. What is the probability of rolling a 4?
a)b) c)d)
______14.Two six-sided dice are rolled. What is the probability of rolling a doubles?
(ie: both dice the same number)
a)b) c)d)
______15.Two six-sided dice are rolled. What is the probability of rolling a total of 9?
a)b) c)d)
______16.What is the probability of drawing a red face card from a standard deck of playing cards with the
jokers removed?
a)b) c)d)
______17.A spinner has three equal sectors labeled A, B and C. If you spin the spinner 36 times, how
many times do you expect the pointer to land on A?
a)6b)12c)24d)36
______18.If you spin this spinner 30 times, how many times do you expect the pointer to land on red?
a)3b)5
c)10d)15
______19.The probability of Joan being elected to the students’ council is 60%. If 1280 students vote for
the students’ council, how many are expected to vote for Joan?
a)21b)213c)512d)768
______20.If the probability than an event occurs is , what is the probability, as a percent, that the event
does not occur?
a)30%b)40%c)60%d)75%
Part C:Matching
For Questions 21-25, Match the correct term to the description in each question.
a)eventb)experimental probabilityc)outcome
d)probabilitye)simulationf)trial
______21.A possible result of an experiment.
______22.A probability experiment that models a real-life situation.
______23.One round of a probability experiment.
______24.A measure of the likelihood that an event will occur.
______25.A result determined using the results of a simulation.
For Questions 26-29, Identify the type of probability in each question.
a)experimental probabilityb)theoretical probability
______26.If you roll a six-sided die 60 times, the number 1 should turn up 10 times.
______27.You record students entering the school office to determine the probability of a girl entering the
office.
______28.You roll a six-sided die 30 times to determine how many times a 3 is rolled.
______29.Based on a baseball player’s record of striking out once every four times at bat, you calculate
that there is a 25% chance that he will strike out this time.
Part D:Problems
1.A restaurant serves meals that consist of 1 hot dish, 1 salad, and 1 drink. There are 2 hot dishes on the
menu, 3 different salads and 2 types of drinks for customers to choose from.
Use a tree diagram to show how many different meals the restaurant has for its customers?
2.A card is randomly drawn from a standard deck of playing cards with the jokers removed. In 90 trials, a red
card was drawn 40 times and a spade was drawn 28 times.
a)Determine the experimental probability of drawing a club (expressed as a decimal to 3 places) [2]
b)If 12% of the black cards drawn were face cards;
i)How many black face cards were drawn? [2] Show your work to receive both marks.
ii)What is the experimental probability of drawing a black face card?
(expressed as a fraction in lowest terms) [2]
iii)What is the theoretical probability of drawing a black face card? (expressed as a percentage). [1]
Page 1 of 4