Among those whose favorite season is spring, what proportion are adults?

Chaya Galloway
2020-11-26
Answered

A random sample of 2,500 people was selected, and the people were asked to give their favorite season. Their responses, along with their age group, are summarized in the two-way table below.

$\begin{array}{cccccc}& \text{Winter}& \text{Spring}& \text{Summer}& \text{Fall}& \text{Total}\\ \text{Children}& 30& 0& 170& 0& 200\\ \text{Teens}& 150& 75& 250& 25& 500\\ \text{Adults}& 250& 250& 250& 250& 1000\\ \text{Seniors}& 300& 150& 50& 300& 800\\ \text{Total}& 730& 475& 720& 575& 2500\end{array}$

Among those whose favorite season is spring, what proportion are adults?

$a)\frac{250}{1000}$

$b)\frac{250}{2500}$

$c)\frac{475}{2500}$

$d)\frac{250}{475}$

$e)\frac{225}{475}$

Among those whose favorite season is spring, what proportion are adults?

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likvau

Answered 2020-11-27
Author has **75** answers

Step 1

Obtain the proportion of adults whose favourite season is spring:

The value of probability is obtained by:

Step 2

Therefore, the correct answer is “Option B.)

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