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11 September, 12:45

Which situations can be simulated using this spinner? Select three options.

A spinner with 6 equal sections.

A: Predicting the gender of a randomly chosen art teacher if 1 of 3 art teachers is female

B: Predicting the gender of a randomly chosen history teacher if 12 of 15 history teachers are female

C: Predicting the gender of a randomly chosen biology teacher if 8 of 12 biology teachers are female

D: Predicting the gender of a randomly chosen chemistry teacher if 4 of 9 chemistry teachers are female

E: Predicting the gender of a randomly chosen health teacher if 2 of 4 health teachers are female

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  1. 11 September, 12:47
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    A: Predicting the gender of a randomly chosen art teacher if 1 of 3 art teachers is female. C: Predicting the gender of a randomly chosen biology teacher if 8 of 12 biology teachers are female. E: Predicting the gender of a randomly chosen health teacher if 2 of 4 health teachers are female.

    Step-by-step explanation:

    Notice that the spinner has 6 equal sections.

    So, all situations that can be simulated with such spinner must be multiples, divisors of 6, or a number least than 6, that way, we could use the 6 equal-section spinner.

    Option A uses 1 of 3, Option B uses 8 of 12, and Option E uses 2 of 4.

    Therefore, the anwers are A, C and E.
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