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A school knows that 10% of its students are left-handed what is the probability that there will be between 33 and 45 left-handed students in randomly selected group of 400

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21cdunlap
i would say the probability is 100%

10% of 400 is 40, so there will be approx. 40 left handed students in this sample (which is perfectly between 35 ad 45)

hope this helps :)

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