Match wash prefix with its description

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

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?