Mathematics, 23.06.2019 16:30 shjsmbee8177
Afield 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 results, the exam creator claims that on the same exam, nine times out of ten, seniors will have an average score within 5% of 75%. 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.
Answers: 1
Mathematics, 21.06.2019 18:30
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?
Answers: 3
Mathematics, 21.06.2019 21:50
What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83
Answers: 3
Mathematics, 21.06.2019 23:00
The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.
Answers: 1
Mathematics, 22.06.2019 01:30
In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale
Answers: 1
Afield test for a new exam was given to randomly selected seniors. the exams were graded, and the sa...
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