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16 December, 01:31

A spinner with 4 congruent sectors labeled 1-4 is spun. Then a die is rolled. What is the probability of getting even numbers on both events?

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  1. 16 December, 03:52
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    The spinner is divided into 4 equal sections number 1 to 4.

    So, for spinner, total sections = 4

    Favorable sections = 2 (i. e sections with even numbers)

    So, probability of getting even number on the spinner = 2/4 = 1/2

    Total number of outcome when a dice is rolled = 6

    Favorable outcomes = 3 (i. e outcomes with 2,4 and 6)

    So, probability of getting an even number = 3/6 = 1/2

    Since both events are independent, we can write:

    The probability of getting an even number in both events = 1/2 x 1/2 = 1/4
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