38 of a neighborhood's residents vote to plant roses at the front entrance. 2 9 vote to plant roses and peonies. what fraction of those who vote for roses also vote for peonies?

Step-by-step explanation:

Let A be the event of planting rose and B be the event of planting peonies at the front entrance.

Then, The probability of neighborhood's residents vote to plant roses at the front entrance=

The probability of neighborhood's residents vote to plant roses and peonies =

Now, the conditional probability of neighborhood's residents vote for roses also vote for peonies =

Hence, the fraction of neighborhood's residents vote for roses also vote for peonies