Workout
Question 1:
(a) 7
(b) 2 and 12
(c) (i) 2/36 (1/18) (ii) 4/36 (1/9) (iii) 5/36 (iv) 6/36 (1/6)
(d) (i) 3/36 (1/12) (ii) 15/36 (5/12) (iii) 6/36 (1/6) (iv) 26/36 (13/18)
(e) (i) 18/36 (1/2) (ii) 7/36 (iii) 15/36 (5/12)
Question 2 (a):
2(b): (i) 2/36 (1/18) (ii) 1/36 (iii) 4/36 (1/9) (iv) 2/36 (1/18)
(c) (i) 27/36 (3/4) (ii) 9/36 (1/4) (iii) 28/36 (7/9)
Question 3 (a):
(b) 1/9
(c) 4/9
(d) 2/9
Question 4(a):
(b) 1/12
(c) 2/12 (1/6)
(d) 5/12
(e) 3/12
Question 5(a):
(b) 5/12
(c) 4/12 (1/3)
Apply
Question 1(a):
(b) The probability of an even score is 4/9
Question 2(a):
(a) Rule 1 is square the number on the spinner
(b) Rule 2 is double the number on the spinner and add 1.
(c) The missing number is 16
(d) 6/8 (3/4)
Question 3:
P(square number) = 8/36 = 4/18 = 2/9
40 winners (40 x £3 = £120)
£180 – £120 = £60
Question 4: 8/12 (2/3)
Question 5: 21/36 (7/12)
Question 6: 6/36 (1/6)
You must be logged in to post a comment.