20/q = 7/9
20×9 = 7q
7q = 180
q = 180/7
Answer:
D
Step-by-step explanation:
.=1, any figure after . is o
so, 31/100
Complete Question
The complete question is shown on the first uploaded image
Answer:
The probability is 
Step-by-step explanation:
From the question we are told that
The number of cars packed is 
The objective of this solution is to find the probability that the car which has a sunroof also has four doors
This probability is mathematically represented as

Baye's Rule define this probability mathematically as

From the diagram

and 
So
