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The probability that Chloe is happy given that she has had dinner by 6pm is 0.9. The probability that Chloe is not happy given that she has not had dinner by 6pm is 0.8. Assume that there is a 60% chance that Chloe eats dinner by 6pm on a given day.
a) If Chloe is not happy at 6pm, find the probability that she has not had dinner yet.
b) If Chloe is happy at 6pm, find the probability that she has already had dinner.

 Feb 4, 2020
 #1
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"The probability that Chloe is happy given that she has had dinner by 6pm is 0.9. The probability that Chloe is not happy given that she has not had dinner by 6pm is 0.8. Assume that there is a 60% chance that Chloe eats dinner by 6pm on a given day.
a) If Chloe is not happy at 6pm, find the probability that she has not had dinner yet.
b) If Chloe is happy at 6pm, find the probability that she has already had dinner
."

 

As follows I think:

 

 Feb 4, 2020

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