Math

PLEASE HELP!!
Regina has a bag of 6 orange marbles and 6 black marbles. She picks a marble at random and then puts it back in the bag. She does this 24 times. The results are shown in the table.

Outcome Tally
Orange 10
Black 14
Determine the percent error of pulling a black marble in Regina’s experiment. Show your work and round your answer to the nearest hundredth.

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  1. expected outcome ...12 / 24

    actual outcome ... 14 / 24

    % error ... [(actual - expected) / expected] * 100%

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    posted by R_scott
  2. thanks

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