Page 309 - Start Up Mathematics_7

3. A list of all possible outcomes of an experiment is called a _________________.
4. If a coin is flipped to decide which of the two team starts the game, the probability of your
team starting the game is ________.

5. In an experiment of throwing a fair die once, the sum of probabilities of all distinct outcomes
in the sample space is _______.

6. Theoretical probabilities are based on the assumption that outcomes are _______________.
7. An _______ is a subset of a sample space.
8. A fair game is one in which the chances of winning and losing are ____________.
Answer in One Word or a Line

1. What is the probability of getting an even number if a die is thrown once?
2. What is the probability of getting a tail if a coin is tossed once?
3. If two dice are thrown simultaneously what is the probability of getting a sum less than or
equal to 12?
4. What is the probability of a year having more than 367 days?

let’s evaluate 2 3

1 4
1. A spinner shown here is rotated once.
The probabilities of various events 8 5
associated with the capital letters are 7 6
shown on the probability line.
P Q R S T
0 .25 .5 .75 1

Identify the letter that corresponds to the following probabilities:

(a) P (odd number) (b) P (number less than 9) (c) P (negative number)
(d) P (multiple of 4) (e) P (at least 3)
2. If a card is drawn at random from a deck of playing cards, find the probability that the card
is:
(a) red (b) a club

(c) an ace (d) a red queen

3. If a pair of dice is thrown once, find each of the following:
(a) P (sum 7) (b) P (sum 12)
(c) P (sum ≥ 8) (d) P (even number on first die)

4. The adjoining spinner is rotated once. Find each of the
following: 8 1

(a) P (number 7) (b) P (even number) 7 2

(c) P (multiple of 3) (d) P (factor of 28) 6 3

5 4

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