Mathematics, 15.10.2019 19:50 sansyboy7891
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 6% of 80%.
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. (10 points)
Answers: 2
Mathematics, 21.06.2019 19:30
Me. i can't figure out this question. give an explanation too. .
Answers: 1
Mathematics, 21.06.2019 21:00
When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?
Answers: 1
Mathematics, 21.06.2019 21:30
Plz hurry evaluate the expression a+b where a=8 and b=19
Answers: 1
Mathematics, 21.06.2019 23:30
Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale
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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