1) There are five drivers, and a 1 in four chance of being picked for overtime. What is the probability of being allocated overtime next week? a) 1/4 b) 1/5 c) 2/20 d) 1/10 e) 1/20 f) 5/25 2) A customer buys a bag of sweets, the bag contains 21 toffees, 10 mints, 4 jelly babies and 7 caramels. If you shake the bag, what is the probability of getting a caramel sweet?  a) 21/42 b) 10/42 c) 7/42 d) 7/35 e) 7/21 f) 1/3 3) I have a box of chocolates, there are twice as many dark chocolate as milk. There are three different centres, strawberry, lemon and cherry. What is the probability of getting a strawberry milk chocolate? a) 1/3 b) 2/6 c) 2/9 d) 1/9 e) 3/9 f) 7/9 4) I have 20 pairs of shoes, the colours are black: blue: red. To the ratio 5:4:1. If I pick a pair at random, what is the probability of picking a red pair? a) 5/20 b) 1/20 c) 4/20 d) 6/10 e) 1/10 f) 4/8

Probability

印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?