What is the probability that at least 25% of these 50 invoices are for more than $800?

An accident and health insurance policy may not be rescinded, except for fraud, after it has been in effect for

A) 2 years B) 4 years C) 1 year D) 6 months

Which type of general merchandise retailer is most prone to have limited customer services and an austere store environment?

a. specialty store b. department store c. off-price chain d. conventional supermarket