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Marina CMI [18]
3 years ago
10

Randomly selecting someone who is over 45 years or over

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0
"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

24.8\%+9.6\%+6.6\%=41\%
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Step-by-step explanation:

A) 89,458

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In rounding we check the number next to the number which is to be rounded.

If that number is less than 5 it is dropped off and if it is greater and equal to 5 it is added to the next number.

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C) 90,054

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D) 89,905

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When rounded to the thousands place, the number above will round to 89,000 because 615 is greater than 500 .

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--------------------
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------  ------
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