Mathematics, 20.01.2020 06:31 Kathryn014
Auniversity department administers a survey, regarding student satisfaction. based on the survey results, the department provides a confidence interval
estimate of 60% to 80% for student satisfaction. if the department wishes to
construct a confidence interval that more accurately represents the
proportion of student satisfaction, how should the design be altered?
a. use a smaller confidence level
b. use a smaller sample size
c. use a larger confidence level
d. use a larger sample size
Answers: 3
Mathematics, 20.06.2019 18:04
Hey peoples! im bored add me on discord xd emmy#1782 < 3
Answers: 2
Mathematics, 21.06.2019 16:30
Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x
Answers: 1
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 21.06.2019 18:50
The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave
Answers: 1
Auniversity department administers a survey, regarding student satisfaction. based on the survey res...
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