Mathematics, 21.04.2020 01:48 Shadow0202
Which inference is true?
A. More students spend 0-30 minutes on homework than spend 31-60 minutes
B. More students spend 31-60 minutes on homework than spend 0 - 30 minutes
C. About the same number of students spend 0-30 minutes on homework as spend 31 - 60mint minutes
D. More students spend 61 - 90mi minutes on homework than spend 0-30 minutes
Answers: 3
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The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?
Answers: 2
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What is the solution to this system of linear equations? 2x + 3y = 3 tx-3y= 24
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Which inference is true?
A. More students spend 0-30 minutes on homework than spend 31-6...
A. More students spend 0-30 minutes on homework than spend 31-6...
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