A shipment of 8 microwave ovens contains 2 defective units. A restaurant buys four of these units. What is the probability of the restaurant buying at least there no defective units? The probability of the restaurant buying at least three non defective units is round to three decimal pts.

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Which strategy is used by public health to reduce the incidence of food poisoning?