The Associated Press (2002) reported that in a survey of 4722 American youngsters aged 6 to 19, 15% were seriously overweight (a BMI of 30 or more). (a) Calculate the 80% confidence interval for the population proportion of youngsters that are seriously overweight. (b) Interpret this confidence interval by writing a relevant statement.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

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