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11 December, 10:17

A spinner has three sections. The table shows the results of spinning the arrow on the spinner 80 times.

Three column table. First column values are Section 1 and 20. Second column values are Section 2 and 36. Third column values are Section 3 and 24.

What is the experimental probability of the arrow stopping over Section 2?

a. 1/36, b. 1/18, c. 9/20, d. 9/11

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  1. 11 December, 13:32
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    The experimental probability is

    (number of times it stopped over Sect. 2) / (total number of times you tried it)

    Number of times it stopped in Section-2: 36

    Total number of times you tried it: (20 + 36 + 24) = 80

    Experimental probability of Section-2 = 36/80 = 9/20 = 45%
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