Each person in a simple random sample of 1,200 received a survey, and 325 people
returned their survey. How could nonresponse cause the results of the survey to be
biased? (4 points)

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%