Q.1 A personal identification number (PIN) for a bank card consists of 4 digits. (a) How many 4 digit PINS can be formed? (1 mark) (b) A bank issues 189,234 bank cards to its customers. Can the bank supply each customer with a different PIN? (1 mark) Q.2 The following is a table detailing horses running in a race.

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Q.1 A personal identification number (PIN) for a bank card consists of 4 digits. (a) How many 4 digit PINS can be formed? (1 mark) (b) A bank issues 189,234 bank cards to its customers. Can the bank supply each customer with a different PIN? (1 mark) Q.2 The following is a table detailing horses running in a race. The horses' names are displayed on the left side of the table. 12.20pm NOVICES' HURDLE Selection Fair Along Flaming Weapon Turko Wembury Point Desert Jim Mickey Pearce Shannon Springs Wotchalike Unnamed Favourite Unnamed 2nd Favourite Jockey R Johnson JE Moore AP McCoy G Lee R Thornton S Crawford A Dobbin H Oliver (a) Find the probability of 'Flaming Weapon' coming (1 mark) first. (b) Find the probability of an unnamed horse coming (1 mark) first. (c) Find the probability of 'Fair Along' coming first and 'Wotchalike' coming second. (2 marks)

Expert Answer

A: Q1. (a) How many 4 digit PINS can be formed? Answer: There are 10,000 possible 4-digit PINs that View the full answer