Mathematics, 07.01.2020 14:31 jacamron
Arlene is testing whether school is more enjoyable when students are making high grades. she asked 100 students if they enjoyed school and whether their gpa was above or below 3.0. she found that 30 of the 40 students with a gpa above 3.0 reported that they enjoyed school, and 15 of the 60 students with a gpa below 3.0 reported that they enjoyed school. what is the probability that a student with a gpa below 3.0 does not enjoy school?
15%
25%
45%
75%
Answers: 2
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Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Arlene is testing whether school is more enjoyable when students are making high grades. she asked 1...
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