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Suppose that 14% of preteens are scared of the dark. If you randomly sampled 50 preteens, how many would you expect (within one standard deviation)

Suppose that 14% of preteens are scared of the dark. If you randomly sampled 50 preteens, how many would you expect (within one standard deviation) to be scared of the dark? Would you be surprised if 20 were scared? Why or why not

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