Mathematics, 29.10.2020 07:20 Vamoppppp
A television newscaster from a 24-hour news station wants to estimate the number of hours per day its viewers
watch programming on this channel. The newscaster randomly selects 100 viewers and asks them how many
hours per day they watch this station. The newscaster constructs an 85% confidence interval for the true mean
number of hours viewers watch this station. Which of the following would decrease the margin of error?
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using a sample of size 50
using a sample of size 200
constructing a 90% confidence interval
O constructing a 95% confidence interval
Answers: 3
Mathematics, 21.06.2019 21:30
Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?
Answers: 1
Mathematics, 21.06.2019 21:30
Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract
Answers: 2
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