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Oak National Academy
12 questions
If I roll a fair 6-sided die, what is the probability that I roll a 4?
If I roll a fair 6-sided die, what is the probability that I roll a prime number?
Alex calculates the average amount of time his classmates spend on homework in a week. Which of these might he have calculated?
Which average is found by identifying the middle value when the data is arranged in order?
In a sale, a coat is reduced by 30% and is now selling for £42. What did the coat originally cost?
A painting was bought for £28 and then later sold for 34% more than it was bought for. What was it sold for?
The ___ that an event will occur is the proportion of times the event is expected to happen in a suitably large experiment.
To ___ is to find a value that is close enough to the right answer, usually with some thought or calculation involved.
The price of an item of clothing rose from £42 to £48. What is the percentage increase (1 d.p.) in the cost of this item?
The price of an item of clothing fell from £48 to £42. What is the percentage decrease (1 d.p.) in the cost of this item?
In a raffle there is a 1 in 280 chance of winning a prize. What is the probability of winning if you buy one ticket? Give your answer as a percentage to 1 d.p.
In a raffle there is a 1 in 28 000 chance of winning a prize. Jacob thinks you can never win as the probability of winning is 0.0%. What error has Jacob made?
