Data Management - GRADE 12

A lottery ticket contains 5 numbers chosen from the numbers 1 to 40. The winning ticket is the one that matches all the 5 numbers in the correct order. The second prize winner matches four of the five numbers in the correct order. What is the probability of winning the first or second prize?

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  1. 5 numbers = 1/40 * 1/39 * 1/38 * 1/37 *1/36 = ?

    4 numbers = 1/40 * 1/39 * 1/38 * 1/37 = ?

    Either-or probabilities are found by adding the individual probabilities.

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