a school has 320 girls and 250 boys the probability that a girls is left handed is 0.2 the probability that a boys is left handed is 0.1 estimate the number of the left handed stuidents in the school
Answers
Answered by
11
Answer:
Probability of left handed girls = 0.2
=> Number of left handed girls / Total number of girls = 0.2
therefore, number of left handed girls = 0.2 × 320 = 64
Similarly,
Number of left handed boys = 0.1 × 250 = 25
Total number of left handed students = 64 + 25 ,= 89
Similar questions