According to a study by decision analyst, 21% of people who have credit cards are very close to fatal limit on the card(s). suppose a random sample of 600 credit card users is take.
what is the probability that more than 150 credit card users are very close the total limit on their card(s)?
what is the probability that less than 100 credit card users are very close the total limit on their card(s)? Explain how to do the work for these problems.