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Mice21 [21]
3 years ago
11

A box contains 4 chocolates and 1 fruit chew. Clark and Chloe take turns drawing a treat out from the box without replacement. W

hoever draws the fruit chew wins. Clark draws first. What is the probibility that Chloe wins. The answer is 2/5. Can you please explain why?
Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

hhhhhhhhhhhhhhhhhhhhhh

Pie3 years ago
4 0

Answer:

The Probability that Chloe wins is \dfrac{2}{5}

Step-by-step explanation:

We are given 4 chocolates and 1 fruit chew.

this means we have total 5 choices.

Now Clark draws first. and there is no replacement that means if one treat is drawn it won't be counted again.

<em>Now we need to find the probability that Chloe wins i.e. he draws out the fruit chew one.</em>

Probability=\dfrac{4}{5}\times\dfrac{1}{4}+\dfrac{4}{5}\times \dfrac{3}{4}\times \dfrac{2}{3}\times \dfrac{1}{2}

where the first term in the summation i.e.  \dfrac{4}{5}\times\dfrac{1}{4} shows that in the first turn Clark draws a chocolate box out of the 5 boxes and Chloe in his first turn draws a fruit chew and wins.

whereas second term in the summation shows that Chloe draws a fruit chew in his second draw.

Probability=\dfrac{1}{5}+\dfrac{1}{5}=\dfrac{2}{5}

Hence, the Probability that Chloe wins is \dfrac{2}{5}


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