An Internet service provider is interested in estimating the proportion of homes in a particular community that have computers but do not already have Internet access.
To do this, the company has selected a random sample of n = 200 homes and made calls. A total of 188 homes responded to the survey question with 38 saying that they had a computer with no Internet access. The 95 percent confidence interval estimate for the true population proportion is approximately 0.1447 - 0.2595. Indicate whether the statement is true or false
Q. 2When is unknown, one should use an estimate that is considered to be at least as large as the true . This will provide a conservative sample size to be on the safe side.
Indicate whether the statement is true or false
Q. 3A car salesman states that the probability that the dealership sells a car on a Saturday morning is .30. The method of probability assessment that he has used is most likely classical assessment.
Indicate whether the statement is true or false
Q. 4What is the covariance between the two assets?
A) 4.64
B) 4.69
C) 4.77
D) 4.81
Q. 5What is the Delphi method?
What will be an ideal response?
Q. 6Using Solver, determine the total number of personnel used.
A) 28
B) 10
C) 18
D) 11
Q. 7It was reported that the mean high temperature in the continental United States on October 5, 2011 was 75.77F, with a standard deviation of 10.95F. What is the probability that a city chosen at random reported a temperature lower than 50F?
What will be an ideal response?
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