Mathematics, 22.11.2020 05:20 destinypierre
The scores for all high school seniors taking the verbal section of the Scholastic Aptitude Test (SAT) in a particular year had a mean of 490 and a standard deviation of 100. The distribution of SAT scores is bell-shaped. What percentage of seniors scored between 390 and 590 on this SAT test?
Answers: 2
Mathematics, 21.06.2019 18:30
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Mathematics, 21.06.2019 21:30
Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?
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Mathematics, 21.06.2019 23:30
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Mathematics, 21.06.2019 23:30
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Answers: 1
The scores for all high school seniors taking the verbal section of the Scholastic Aptitude Test (SA...
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