Question 535166
The probability a bus leaves on time is 0.821.
the probability the bus arrives on time is 0.658
the probability a bus arrives on time given it leaves on time is .731 
what is the probability a bus leaves on time and arrives on time? 
what is the probability a bus leaves on time given it arrives on time?
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Please review your posted problem.
Cheers,
Stan H.
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