Answer:
Step-by-step explanation:
Given a total of 12 diesel engines
out of which 2 are defective
Company have to choose 5 good engines to ship.
Therefore no of ways in good engines are selected is 
no of ways in which any 5 engines are selected from a total of 12 engines is

Therefore the required probability =
=
=0.318
Answer:

Step-by-step explanation:

All Done!
Answer:
A
Step-by-step explanation:
B1 represents the slope of the population regression line so A is the answer