Mathematics, 16.04.2020 20:56 amandapill
A sample of 148 college students at a large university reports getting an average of 6.85 hours of sleep last night with a standard deviation of 2.12 hours. Suppose you want to conduct a similar study at your university. Assuming that the standard deviation of the above sample is a reasonable estimate of the standard deviation of sleep time at your university, how many students do you need to survey to estimate the mean sleep time of students at your university with 95% confidence and a margin of error of 0.5 hours
Answers: 2
Mathematics, 21.06.2019 19:30
What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.
Answers: 3
Mathematics, 21.06.2019 21:30
*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer
Answers: 1
Mathematics, 21.06.2019 21:30
Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need
Answers: 3
Mathematics, 21.06.2019 23:30
The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume
Answers: 1
A sample of 148 college students at a large university reports getting an average of 6.85 hours of s...
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