IDNLearn.com is designed to help you find accurate answers with ease. Join our community to receive prompt and reliable responses to your questions from experienced professionals.
Using it's concept, it is found that there is a 0.54 = 54% probability that a particular firm selected has $1 million or more in income after taxes.
A probability is given by the number of desired outcomes divided by the number of total outcomes.
In this problem, out of 400 firms, 138 + 78 = 216 have $1 million or more in income after taxes, hence the probability is given by:
p = 216/400 = 0.54.
More can be learned about probabilities at https://brainly.com/question/14398287
#SPJ1