Question
There are 50 students in MATH class. The histogram of the first exam scores of a sample of 20 students from the class is approximately
There are 50 students in MATH class. The histogram of the first exam scores of a
sample of 20 students from the class is approximately symmetric with a sample mean of 85 and a sample
variance of 4.
How many students will have scores between 81and 89?
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Statistical Techniques In Business And Economics
Authors: Douglas A. Lind, William G. Marchal, Samuel Adam Wathen
13th Edition
9780070667075
