If it's the weekend, the chances of Allison going to the store is 4/5. If its a weekday, the chances are 2/5. Given that Allison will not go to the store, what is the probability that it's the weekend?

Question

Brett

Mathematics

15 August, 15:41

If it's the weekend, the chances of Allison going to the store is 4/5. If its a weekday, the chances are 2/5. Given that Allison will not go to the store, what is the probability that it's the weekend?

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Answers (1)

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Mohammad Morris · Answer 1

Given that it's a weekend, chances of Allison going to the store is 4/5

If its a weekday, the chances are 2/5.

Given that Allison will not go to the store the probability that it’s the weekend? will be:

1 - (it's a weekend and Allison will go to the store)

=1-4/5

=1/5

Answer: 1/5