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Question 1 of 5
1. Question
3 point(s)On a scratch card you win if you find a ‘sun’ in the first square you scratch off.
Here are the scratch cards before the suns are covered.-
(a) Which card gives you the greatest chance of winning? Card
(b) What is the probability of winning with Card C?
(Give your answer as a fraction.
(c) Which card has a probability of 3/5 to win? Card
Correct 3 / 3 PointsIncorrect / 3 Points -
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Question 2 of 5
2. Question
4 point(s)-
(a) the probability that a number chosen at random between 1 and 100 is even. Scale
(b) the probability that a page opened at random in a calendar is not in your
birthday month. Scale(c) the probability that a number chosen at random from 1 to 20 is 1 or 8. Scale
(d) the probability that a season chosen at random is Spring. Scale
Correct 4 / 4 PointsIncorrect / 4 Points -
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Question 3 of 5
3. Question
4 point(s)Look at this list of tracks from an album.
A random function is used to play a track.
By giving your answers as fractions, what is the probability that the track will-
(a) start with the letter ‘t’
(b) end with the letter ‘e’
(c) have only one word in the title
(d) begin and end with the same letter?
Correct 4 / 4 PointsIncorrect / 4 Points -
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Question 4 of 5
4. Question
5 point(s)These charts show information collected from a group of pupils about their main holiday last year.
Give your answer to each one of the following questions as a fraction in its simplest form.
What is the probability that a pupil picked at random
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(a) went by plane.
(b) went by car and ferry.
(c) stayed in the UK.
(d) went to a country in Europe other than the UK.
(e) went to Spain?
CorrectIncorrect -
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Question 5 of 5
5. Question
4 point(s)Hayley wants to meet Sam and Taj. She has estimated the chances of them turning up at either her party or the youth group.
Based on her estimates, what is the probability that
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(Give your answers as fractions.)
(a) Sam goes to the youth group?
(b) Taj doesn’t go to the youth group?
(c) Sam doesn’t go to the party?
(d) Sam doesn’t go to the youth group?
CorrectIncorrect -