Answer:
a) 0.248
b) 0.434
Step-by-step explanation:
Given;
Total number of Americans in the poll = 1000
Number of Americans not in favor of the bill = 434
Number of Americans in favor of the bill = 248
Number of Americans that were not sure = 318
a) We can now go ahead and determine the probability that a randomly selected American was in favor of the bill using the below probability formula;


