Answer:
a
b

c

Step-by-step explanation:
The chance that it will rain is 
The chance that it does not rain is 

The probability that the bus run late if it rains is 
The probability that the bus run late if it does not rain is 
Generally the probability that it will rain and the bus will be late is mathematically represented as

=> 
=>
Generally the probability that the bus will be late is mathematically represented as

=> 
=> 
Generally given that the bus ran late, the probability that the bus it was not raining is mathematically represented as

Here 
=> 
=> 
So

=> 
Answer:
The domain is the integers from 0 to 500.
Step-by-step explanation:
The idea is that, the auditorium cannot charge for a half seat, and so integers are the only set that can be used.
6/30 = 1/5
This means that 1/5 of the students in a class will be left-handed.
27*5 = 135
27/135 = 1/5
The correct answer is 135 students.