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I need help with the question please

I need help with the question please-example-1

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The number of customers surveyed is 499.

UESTION A

ehe age ranges that fall within the required one for this question are 20-29, 30-39, and 40-49.

The number of people in these groups in total will be:


\Rightarrow65+87+70=222

Therefore, the probability of this occurring is calculated to be:


\Rightarrow(222)/(499)=0.4449

he probability is 0.4449.

QUESTION B

he age ranges for this question are >≥60, <20, and 20-29.

The number of people in these groups in total will be:


\Rightarrow84+93+65=242


\Rightarrow(242)/(499)=0.4850

he probability is 0.4850.

QUESTION C

is ≥60.

The number of people in this group is 84.


\Rightarrow(84)/(499)=0.1683

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