subject
Mathematics, 14.05.2021 09:10 montanolumpuy

ALGEBRA! IMA KEEP ASKING 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 results, the exam creator claims that on the same exam, nine times out of ten, seniors will have an average score within 5% of 71%.

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.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2
Answers: 1
question
Mathematics, 21.06.2019 16:30
Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest
Answers: 3
question
Mathematics, 21.06.2019 18:00
The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.
Answers: 2
question
Mathematics, 21.06.2019 21:20
Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10
Answers: 2
You know the right answer?
ALGEBRA! IMA KEEP ASKING A field test for a new exam was given to randomly selected seniors. The e...
Questions
question
Mathematics, 18.11.2019 13:31
question
Mathematics, 18.11.2019 13:31
question
Mathematics, 18.11.2019 13:31
Questions on the website: 13722362