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5 February, 14:59

Think About the Process A student has a one-dollar bill, a five-dollar bill, and a ten-dollar bill in a

box. The student selects a bill from the box 47 times and selects the five-dollar bill 21 times. What

formula should be used to calculate the experimental probability? What is the experimental probability

of selecting the five-dollar bill? What is the theoretical probability of selecting the five-dollar bill

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Answers (1)
  1. 5 February, 15:19
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    The formula to calculate the experimental probability is "P (event) = Number of times event occurs/total number of trials"

    The expiramental probability should be the fraction "21/47"

    The theoretical probability should be the fraction "1/3" because the formula for theoretical probability is the number of favorable outcomes (5 dollar bill) over the total number of possible outcomes (10-dollar bill, one dollar bill, & 5 dollar bill). therefore, there is 1 favorable outcome, and 3 possible outcomes = 1/3.
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