60% students are randomly selected to receive reduced lunch. Suppose you randomly chose 295 students.Find the probabilit...
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60% students are randomly selected to receive reduced lunch. Suppose you randomly chose 295 students.
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Q2. On SAT, average writing score is 480 points and Maths is 542 points. The standard diviation is 89 points on each test. Now suppose 55 test takers are selected.
6% of the time the sample average Mathematics score should be less than what? (Remember the label.). |