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Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
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Which graph of a hyperbola represents the equation 16x^2-y^2=16
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If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?
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