Randomly selecting someone who is over 45 years or over
1 answer:
"45 years or over" includes all of the age groups "45-64", "65-74", and "75 or over". These age groups are disjoint (no individual can belong to more than one group), so the probability of picking someone that's at least of 45 years of age is the sum of the probabilities that a person belongs to any one of these groups. That would be
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The value that could replace variable x in the table is (15 - m)8
<h3 /><h3>How to the value of x in an expression ?</h3>The students are given 3 minutes to complete each multiple choice question on a test and 8 minutes for each free response question.
From the table, the time to answer the whole multiple choice question is as follows:
total time = 3m
From the table, the total time taken to answer the free response question is as follows:
total time = (15 - m)8
learn more on variable here: brainly.com/question/12798965
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