Find the margin of error if c=0.95
A random smaple of 75 students has a test score average with a standard deviation of 9.5. Find the margin of error if c=0.95
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How many questions must the test contain in order to reduce the standard deviation of the student's proportion of correct answers to half its value for a 100-item test.
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Starting with a hypothetical population of 14,000 people and an even age distribution (1,000 in each age group from 1-5 to 66-70 years), assume that the population initially has a total fertility rate of 2.0 and an average life span of 70 years. U
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What are the dimensions of the box as measured by an observer moving with a speed of 0.82 c parallel to one of the edges of the box?
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