A Level Statistics: Unit 6 - Calculating Probabilities

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An entertainer asks an audience member to choose a card from an ordinary pack of 52 playing cards, note the card and return it to the pack. He then shuffles the pack and asks a second audience member to choose a card from the same pack.
What is the proba
1/4
1 of 10
Nic went to the garden centre to buy some roses. She found they came in six different colours – white, red, orange, yellow, pink and copper.
She also found they came in five different sizes
– dwarf, small, medium, large climbing and rambling.
b. She buy
1/5
2 of 10
Troy achieved a grade 3 on his GCSE Maths exam. He has been attending catch up sessions after school and has an 82% chance of getting his grade 4 in the resits in November. He also achieved a grade 3 in his GCSE English exam but has not had time to attend
0.8866
3 of 10
Kathryn has 3 pairs of ‘work’ shoes, one black, one brown and one navy blue. The probability of her wearing these shoes is 0.56, 0.38 and 0.06 respectively. Kathryn is in work Thursday, Friday and Sunday this week.
Find the probability that she will wear
0.2307
4 of 10
120 people were questioned about cold cures they had used. 60 had taken aspirin; 28 had taken coldex; 24 had taken both.
Work out the probability that a person picked at random from the group takes neither aspirin nor coldex.
7/15
5 of 10
There are 30 children in a nursery. 15 children like orange squash, 10 like both orange squash and milk, and 8 like neither orange squash nor milk
Work out the probability that a child chosen at random likes milk but dislikes orange squash
7/30
6 of 10
Alan has two squash partners, Steve and Connor.
If he plays Steve he has a 54% chance of winning the match.
If he plays Connor he has an 81% chance of winning the match.
He plays Steve 72% of the time and Connor the rest of the time.
Given that Alan doesn
0.1410
7 of 10
A town council was awarded a grant to build two sports centres. During the first year the centres were open it was found that 36% of the town’s population had been to centre A, 22% had been to centre B and 10% had been to both.
Work out the probability th
0.52
8 of 10
Jennifer is a HUGE Harry Potter fan and reads one of the books every month. The probability she finds a new fact in a book the next time she reads it is 0.45 however, this decreases to 0.42 the next time if she found a fact previously (and will continue t
0.4178
9 of 10
Two fair dice are thrown together and the product of the scores are recorded.
What is the probability of a score that is bigger than 10
17/36
10 of 10

Other cards in this set

Card 2

Front

Nic went to the garden centre to buy some roses. She found they came in six different colours – white, red, orange, yellow, pink and copper.
She also found they came in five different sizes
– dwarf, small, medium, large climbing and rambling.
b. She buy

Back

1/5

Card 3

Front

Troy achieved a grade 3 on his GCSE Maths exam. He has been attending catch up sessions after school and has an 82% chance of getting his grade 4 in the resits in November. He also achieved a grade 3 in his GCSE English exam but has not had time to attend

Back

Preview of the front of card 3

Card 4

Front

Kathryn has 3 pairs of ‘work’ shoes, one black, one brown and one navy blue. The probability of her wearing these shoes is 0.56, 0.38 and 0.06 respectively. Kathryn is in work Thursday, Friday and Sunday this week.
Find the probability that she will wear

Back

Preview of the front of card 4

Card 5

Front

120 people were questioned about cold cures they had used. 60 had taken aspirin; 28 had taken coldex; 24 had taken both.
Work out the probability that a person picked at random from the group takes neither aspirin nor coldex.

Back

Preview of the front of card 5
View more cards

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