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

There are 89 left handed students in school.

Step-by-step explanation:

Since we have given that

Total number of girls = 320

Total number of boys = 250

Probability that a girl is left hand = 0.2

Probability that a boy is left handed = 0.1

We need to find the number of left handed students in school.

Similarly,

Hence, there are 25+64=89 left handed students in school.

so, converting firstly the mixed fractions to improper fractions and then "adding".

the answer is $42.96

step-by-step explanation: