Other questions in this quiz

2. Probability of rollling a dice and getting a prime number...

  • 50%
  • 40%
  • 3/4
  • 75%

3. Sisters Kate and Sarah play snakes and ladders. If the probability, kate wins is 0.7 the probability Sarah wins is...

  • 0.3
  • 0,7
  • 0.4

4. In the past 30 days Rachel has missed the bus 6 times. What is the probability she misses the bus tomorrow?

  • 1/30
  • 1/5
  • 1/6
  • 2/5

5. A woman has two children. The probability they are both boys is..

  • 1/4
  • 1/2
  • 1/3
  • 1/5
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Comments

Nathan

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technically the answer to Q4 is 1/2

Toby Widdowson

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Isn't question 2 66% because 1,2,3 and 5 are prime numbers which is 2/3?

Steph

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1 doesn't count as a prime number though... :) 

Harry

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number 5 is wrong

both boys (1)

both girls (2)

or one of each (3)

1/3

Steph

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we did this in class and basically what we did on q5 was the chance of getting a boy is 1/2 the first time, then 1/2 the second time and then multiply them to get 1/4...

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