What is the probability that a number selected randomly from 1 to 500 is a multiple of 3 or 7?
0.428
Multiples of 3 from 1 to 500: 500/3 ≈ 166 Multiples of 7 from 1 to 500: 500/7 ≈ 71 Multiples of 21 (both 3 and 7) from 1 to 500: 500/21 ≈ 23 Total multiples of 3 or 7 = 166 + 71 - 23 = 214 Probability = 214/500 = 0.428
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Important Questions from Data Collection Instrument
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