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1 October, 16:41

A spinner has five congruent sections numbered 1, 2, 3, 4, 5. Rahm made 50 spins of this spinner and recorded the outcomes in this table.

Outcome Number

1 12

2 10

3 9

4 11

5 8

What is the theoretical probability of the spinner stopping on 5? What is the experimental probability of the spinner stopping on 5?

A.

Theoretical - 20%

Experimental - 8%

B.

Theoretical - 20%

Experimental - 16%

C.

Theoretical - 20%

Experimental - 20%

D.

Theoretical - 16%

Experimental - 20%

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Answers (1)
  1. 1 October, 17:41
    0
    Theoretically, the spinner will show the number "5" on a spin. This is because there are five likely possibilities (1, 2, 3, 4, 5). That makes the probability of a "5" to be 1/5 theoretically.

    On 50 spins, a "5" will show up 1/5 * 50 = 10.

    10/50 = 20%.

    .

    According to the chart of experimental results of tossing the spinner 50 times, a "5" showed up 8 times.

    The experimental probability is 8/50 = 16%.

    Option B
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