Mathematics, 26.03.2020 22:56 kim643
Suppose that scores on the mathematics part of a test for eighth-grade students follow a Normal distribution with standard deviation σ = 150. You want to estimate the mean score within ±20 with 90% confidence. How large an SRS of scores must you choose? (Round your answer up to the next whole number.)
Answers: 1
Mathematics, 22.06.2019 03:30
2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45
Answers: 1
Suppose that scores on the mathematics part of a test for eighth-grade students follow a Normal dist...
Mathematics, 27.06.2019 23:30
Mathematics, 27.06.2019 23:30
Mathematics, 27.06.2019 23:30
Chemistry, 27.06.2019 23:30
History, 27.06.2019 23:30
History, 27.06.2019 23:30