Name: Date: Probability Number lin

Name:__________________________________________ Date:__________________________________ Probability Number line Homework A
Which of the arrows A, B, C or D shows the best position on the probability line for the
event 'Tomorrow it will snow in Hawaii'? __________________
A bag contains 1 red ball and 9 blue balls. A ball is chosen at random from the bag.
Which of the arrows A, B, C or D shows the best position on the probability line for the
event 'The ball is red'? ________________________
A name is chosen at random from the telephone book. Which of the arrows A, B, C or D
shows the best position on the probability line for the event 'The name begins with Z'?
_____________________________________
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Name:__________________________________________ Date:__________________________________ Probability Number line Homework A 50c coin and a 10c coin are tossed together. Which of the arrows A, B, C or D shows
the position on the probability line for the event "Both coins land tails
up'?______________________________
Which of the arrows A, B, C or D shows the best position on the probability line for the
event 'Man will one day set foot on Mars'?________________________________
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Name:__________________________________________ Date:__________________________________ Probability Number line Homework B Two dice are thrown at the same time and their scores added together. Which of the
arrows A, B, C or D shows the best position on the probability line for the event 'The sum
of the scores is 7'? ________________________
A 50c coin and a 10c coin are tossed together. Which of the arrows A, B, C or D shows
the position on the probability line for the event "Both coins land tails
up'?______________________________
A number is chosen at random from the single-digit numbers 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Which
of the arrows A, B, C or D shows the best position on the probability line for the event 'The
number is prime' ?
(Hint: 2, 3, 5 and 7 are prime) ____________________________________
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Name:__________________________________________ Date:__________________________________ Probability Number line Homework A letter is chosen at random from the 26 letters of the alphabet. Which of the arrows A,
B, C or D shows the best position on the probability line for the event 'The letter is a
consonant'? (The letters a,e,i,o and u are vowels. All other letters are consonants.)
____________________________________
Which of the following events is NOT represented by the arrow on the probability line?
A) Obtaining a score of 1 from two dice.
B) Choosing an odd number from the multiples of 2.
C) Choosing a letter B from the letters of the word PROBABILITY.
D) Choosing a month of the year whose name contains the letter K.
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Name:__________________________________________ Date:__________________________________ Probability Number line Homework http://www.mathsisfun.com/probability_line.html
A
Answer Key:
1. A
2. A
3. A
4. B
5. D
B
Answer Key:
1. B
2. B
3. B
4. D
5. C