Mathematics, 11.08.2021 05:40 cylertroutner
A field test for a new exam was given to randomly selected seniors. The exams were graded, and the sample mean and sample standard deviation were calculated. Based on the exam creator claims that on the same exam, nine times out of ten, seniors will have an average score within 3% of 82%.Is the confidence interval at 90%, 95%, or 99%? What is the margin of error? Calculate the confidence interval and explain what it means in terms of the situation.
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Mathematics, 22.06.2019 01:00
Can anyone explain to me how to do this? anything will .
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Mathematics, 22.06.2019 03:50
The image of abc is a'b'c. what transformations would result in this image? abc is reflected over the line x = 1, then is rotated -90° around the origin. abc is reflected over the line y = x - 1, then t: (x, y) → (x - 1, y - 1). abc is rotated 90° around the origin, then is reflected over the y-axis. abc is rotated -90° around the origin, then is reflected over the line y = -1.
Answers: 2
Mathematics, 22.06.2019 04:30
Write a linear funtion f with the values f(2)=-1, and f(5)=4
Answers: 2
Mathematics, 22.06.2019 06:30
Which equation can be used to calculate the area of the shaded triangle in the figure below? (5 points) 2(12 × 4) = 96 square feet (12 × 4) = 24 square feet 2(12 + 4) = 32 square feet (4 + 12) = 8 square feet
Answers: 1
A field test for a new exam was given to randomly selected seniors. The exams were graded, and the s...
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