Mathematics, 14.07.2020 14:01, gracye

a school has 320 girls and 250 boys the probability that a girl is left handed is 0.2 the probability that a boy is left handed is 0.1 estimate the number of left handed students in a school

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a school has 320 girls and 250 boys the probability that a girl is left handed is 0.2 the probabilit...