question in description

Question

a bag contains seven red balls numbered 2,4,5,6,7,8,10 and three white balls numbered 1,3, and 9. If a ball is drawn, what is the probability the ball is white or the number on the ball is less than 3? Write your answer as a fraction in lowest terms.

Answer 1

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Answer 2

Part 1 - 3 white balls of 10 balls - chance of drawing a white ball = 3/10 = 30.0%

 

Part 2 - the numbers are 1 through 10, but only 2 numbers (1 and 2) are less than 3

 

therefore, 2 chances out of 10 = 2/10 = 1/5 = 20.0%