What has four frogs but doesn't croak?
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Horse
By DizzyFilly
i hope help you
By DizzyFilly
i hope help you
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Hii dear here is your answer
The answer you provide for the initial problem based on conditional probabilities is too simple. Since you hear one croak behind you, the M+M scenario is not equally likely as the M+F or the F+Mscenario. Suppose one frog croaks with probability p in the time interval that you are running, and that the frogs croak independently, then the probability on hearing one frog croak in the M+Mscenario is 2p(1−p), while in the M+F or F+M scenario it is p. So, if you turn around, the probability that one of the two frogs is female can be computed with Bayes' rule:
The answer you provide for the initial problem based on conditional probabilities is too simple. Since you hear one croak behind you, the M+M scenario is not equally likely as the M+F or the F+Mscenario. Suppose one frog croaks with probability p in the time interval that you are running, and that the frogs croak independently, then the probability on hearing one frog croak in the M+Mscenario is 2p(1−p), while in the M+F or F+M scenario it is p. So, if you turn around, the probability that one of the two frogs is female can be computed with Bayes' rule:
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