AMS 5 Study Guide - Quiz Guide: Brie, Simple Random Sample, Standard Deviation
50
AMS 5 Full Course Notes
Verified Note
50 documents
Document Summary
You can write your answers on the bottom and back of this sheet and/or on a separate piece of paper: four hundred draws are made at random with replacement from a box of numbered tickets containing. The expected percentage is the same as the percentage of 1 s in the box . 100% = 2%. (c) (2 pts) what is the (approximate) probability that the sample percentage of 1 s is between. The sample percentage has an approximately normal distribution with average equal to the ex- pected percentage, 80%, and standard deviation equal to the se% = 2%. 95%-con dence interval for the percentage of all households in the metropolitan area who own two or more cars, or explain why this is not possible. This is like 1600 random draws (without replacement) from a box of more than 100, 000 tickets labeled 1 for households with two or more cars and 0 for households with fewer than two cars.
