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Year 7 Describing Probability
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What word or phrase describes the likelihood of the following statement? "Your friend has a pet dinosaur"
1 point
impossible
unlikely
likely
50-50 Chance
Clear selection
A bag contains 15 purple tickets, 40 pink tickets, and 45 orange tickets. One ticket is selected at random. Which of the following statements is not true?
1 point
It is certain that a pink, purple, or orange ticket will be selected
It is unlikely that a purple ticket will be selected
The probability of selecting a pink ticket is 4/5
It is impossible for a green ticket to be selected.
Clear selection
A coin is tossed once. The number of elements in the sample space is:
1 point
0
1
2
3
Clear selection
A ticket is selected from a hat containing tickets numbered from 1 to 4. The sample space is
1 point
tickets
{1, 4}
{1, 2, 3, 4}
{4}
Clear selection
Which percentage probability approximates an event that is unlikely
1 point
0%
10%
50%
80%
Clear selection
A normal six-sided die is rolled. A certain event is getting
1 point
a 1
a 6
a 7
a 1, 2, 3, 4, 5 or 6
Clear selection
When the probabilities of all outcomes of an event are added together the result is:
1 point
1
0
between 0 and 1
impossible to determine
Clear selection
The word which has the same meaning as improbable is the word
1 point
unlikely
impossible
uncertain
certain
Clear selection
Which word description describes how likely it is for a tossed coin landing heads up
1 point
unlikely
impossible
likely
even chance
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Which word description describes how likely it is to select an ace first try from a fair deck of 52 playing cards.
1 point
unlikely
impossible
likely
even chance
Clear selection
A circular spinner divided into seven equal sectors is spun and a die is rolled. The total number of outcomes is:
1 point
7
14
42
21
Clear selection
The best word to describe a chance of 5 in 10 is:
1 point
impossible
certain
even
unlikely
Clear selection
A decimal to describe highly likely would be:
1 point
0.1
0.3
0.5
0.8
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A gum ball machine contains:
10 blue gum balls
10 red gum balls
30 yellow gum balls
50 green gum balls
The machine mixes the balls and drops one out.
What is the chance that the gum ball is red?
1 point
unlikely
fifty-fifty
certain
impossible
Clear selection
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