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Editing a true/false - math & science question by WIRIS
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<p><strong><span style="font-size: medium;">Determine whether the statement is true or false.</span></strong></p> <p><span style="font-size: medium;">If the size of a sample is at least 30, you can use z-scores to determine the probability that a sample mean falls in a given interval of the sampling distribution.<br /></span></p>
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<p><span style="font-size: medium;"><span style="font-size: medium;">A sampling distribution is normal if either «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»n«/mi»«mo»§#8805;«/mo»«mn»30«/mn»«/math» or the population is normal.<br /></span></span></p>
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Tuesday, 5 November 2013, 10:15 AM
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