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:
?
Step-by-step explanation:
bearing in mind that an explicit form is simply the sequence written as a function of some variables, so we simply simplify and add like-terms.

Answer:
the first option
Step-by-step explanation:
hope it helps!!!
Answer: 1st one
Step-by-step explanation: