Mathematics, 23.04.2021 22:30 titocerber
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 2% of 72%. 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: 2
Mathematics, 21.06.2019 18:30, nena4200
Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.
Answers: 2
Mathematics, 21.06.2019 19:30, ochoanene822
Which of the following transformations will always produce a congruent figure?
Answers: 2
Mathematics, 21.06.2019 21:40, pakabigail4796
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
Mathematics, 22.06.2019 01:20, anarosa331hotmailcom
Which equation is represented by the graph below?
Answers: 2
A field test for a new exam was given to randomly selected seniors. The exams were graded, and the s...
Mathematics, 25.02.2020 02:26