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TEA [102]
3 years ago
11

3 8 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?
Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0
<span>1627</span><span> is correct.</span>
.
<span>P(peonies|roses) = </span><span>P(roses and peonies)P(roses)</span>
<span><span>29</span><span>38</span></span><span> = </span><span>16<span>27</span></span>
Gnom [1K]3 years ago
4 0

Answer: =\frac{16}{27}

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=P(A)=\frac{3}{8}

The probability of neighborhood's residents vote to plant roses and peonies =P(A\cap B)=\frac{2}{9}

Now, the conditional probability of neighborhood's residents vote for roses also vote for peonies =P(B|A)=\frac{P(A\cap B)}{P(A)}

=\frac{\frac{2}{9}}{\frac{3}{8}}\\\\=\frac{2\times8}{9\times3}\\\\=\frac{16}{27}

Hence, the fraction of neighborhood's residents vote for roses also vote for peonies =\frac{16}{27}

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