Diverging lens with focal length problem
A diverging lens with focal length, f=-31.5 cm is placed 14.0 cm behind a converging lens with f= 20.0 cm. What is the image's
(a) position and nature(b) size and(c) orientation
If the object is placed 80.0 cm from the converging lens
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We want to conduct a hypothesis test to see if the true proportion of high school students in Ohio who tried marijuana is now less than 45%. Use alpha = .01. What is the standard error for this test?
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