In May, 2000, the Gallup Organization reported that 11% of adult Americans had a great deal of trust and conﬁdence in the federal government handling domestic issues. Suppose a survey of a random sample of 1100 adult Americans ﬁnds that 84 have a great deal of trust and conﬁdence in the federal government handling domestic issues. Would these results be considered unusual? Why?
Answer to relevant QuestionsIn August 2007, Google™ accounted for 53.6% of all U.S. Internet searches. Assuming this percentage is still accurate today, would it be unusual to observe 600 searches using Google™ in a random sample of 1000 U.S. ...According to the 2008 American Community Survey, 27% of residents of the United States 25 years old or older had earned at least a bachelor’s degree. You are performing a study and would like at least 10 people in the ...Find the z-score such that the area to the right of the z-score is 0.483. According to major league baseball rules, the ball must weigh between 5 and 5.25 ounces. A factory produces baseballs whose weights are approximately normally distributed, with mean 5.11 ounces and standard deviation ...Find the value of z0.04.
Post your question