A fair 6-sided dice is thrown. Write down the letter of the arrow that points to the probability that the dice lands on
(i) the number 5
(ii) a number greater than 10
(iii) an even number.
(3)
Alice says that the probability it will rain tomorrow is 1.2 She cannot be right.
(b) Explain why. (1)
Brett has a bag of counters and a box of counters. 1 red counter, 1 white counter, 1 blue counter and 1 yellow counter are in the bag. 1 green counter and 1 purple counter are in the box. Brett takes at random a counter from the bag. He then takes at random a counter from the box.
(c)
(i) List all the possible combinations of coloured counters he could get.
(ii) Write down the probability that Brett takes a red counter and a green counter.
(3)
Mark scheme (a)
Scheme
Marks
(i) B
B1
(ii) A
B1
(iii) C
B1
(3)
Mark scheme (b)
Scheme
Marks
eg. cannot have a probability greater than 1
B1
(1)
Mark scheme (c)
Scheme
Marks
(i) rg, rp, wg, wp, bg, bp, yg, yp
B2
(ii) \(\dfrac{1}{8}\) oe
B1
(3)
Notes
B2: for all 8 with no repeats If not B2 then award B1 for at least 4 correct combinations (ignore incorrect and repeats)
