Answer:
1:250
Step-by-step explanation:
=
=250
Dan needs to get to Austin as fast as possible. The train leaves at 3:00 PM and can travel 60 Miles per hour. If Austin is 65 Mi
1 answer:
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Probability helps us to know the chances of an event occurring. The estimated number of left-handed persons in the school is 89.
<h3>What is Probability?</h3>Probability helps us to know the chances of an event occurring.
Given the number of girls is 320, the probability that a girl is left-handed is 0.2. Therefore, the number of girls who are left-handed is,
Number of left-handed girls = (320×0.2) = 64
Given the number of boys is 250, the probability that a boy is left-handed is 0.1. Therefore, the number of boys who are left-handed is,
Number of left-handed boys= (250×0.1) = 25
Hence, the estimated number of left-handed persons in the school is 89.
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I'm going to rewrite the equation assuming this is the correct form:
