AMS 5 Study Guide - Quiz Guide: Simple Random Sample, Brie, Normal Distribution
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AMS 5 Full Course Notes
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100% = 1%. (c) (2 pts) what is the (approximate) probability that the sample percentage of 1 s is between. According to the normal approximation, the required probability is (approximately) equal to the area under normal curve between 78% 80% Use this data to construct a 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. The sample percentage of two-car households is (1960/2500) 100% = 78. 4% and (using the sample data to estimate the sd of the population) the standard error for percentage is approximately. Of these 3600 children, 2160 watched at least two hours of tv per day. True or false, and explain brie y: the percentage of all children age 12 or younger in the metropolitan area who watch at least two hours of tv per day is likely to be 60% give-or-take 0. 8%.
