Mathematics, 10.02.2021 01:00, ethanmel21
Please help me ASAP Please.
The dean of students at a large college is interested in learning about their opinions regarding the percentage of first-year students who should be given parking privileges in the main lot. He sends out an email survey to all students about this issue. A large number of first-year students reply but very few sophomores, juniors, and seniors reply. Based on the responses he receives, he constructs a 90% confidence interval for the true proportion of students who believe first-year students should be given parking privileges in the main lot to be (0.71, 0.79). Which of the following may have an impact on the confidence interval, but is not accounted for by the margin of error?
A. response bias
B. nonresponse bias
C. sampling variation
D. undercoverage bias
Answers: 3
Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Please help me ASAP Please.
The dean of students at a large college is interested in learning about...
Mathematics, 26.08.2019 22:40
History, 26.08.2019 22:40
Biology, 26.08.2019 22:40
Social Studies, 26.08.2019 22:40
History, 26.08.2019 22:40