Answer:
0.8461
Step-by-step explanation:
The question didn't state any value, so I assumed some of my own.
You can check your notes, and change the values to that of your own, it's the same method.
Given that
The market research firm conducts survey with 40% historical response rate.
The total number of sample is used is 400
The total number of individuals expected to cooperate is 150
What is the probability that the sample proportion would be 150/400 or 0.375..
See attachment for calculation.
