Lost-time accidents occur in a company at a mean rate of 0.5 per day. What is the probability that the number of lost-time accidents occurring over a period of 9 days will be no more than 5? Round your answer to four decimal places.

In a market economy, supply and demand are important because theya. (i) play a critical role in the allocation of the economy's scarce resources.b. (ii) determine how much of each good gets produced.c. (iii) can be used to predict the impact on the economy of various events and policies.d. all of (i), (ii), and (iii) are correct.