Mathematics, 04.10.2019 22:30, yeroo860
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 4% of 70%.
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.
9/10 is 90% so that is the confidence interval ,
Answers: 1
Mathematics, 21.06.2019 21:00, arthurdolz
Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project
Answers: 1
Mathematics, 22.06.2019 00:20, destinyd10189
Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer
Answers: 2
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