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at 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 the school.

User Bennofs
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1 Answer

3 votes

Answer:

Explanation:

E(lh girls)
=0.2* 320=64

E(lh boys)
=0.1 * 250 =25

Estimated total left handed students
=64+25=89

User Carl Sagan
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