Mathematics, 31.07.2019 14:30 alexamorantess
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.
Answers: 1
Mathematics, 21.06.2019 19:30, kataldaine
Which of the following describes the symmetry of the graph of y = x3?
Answers: 2
Mathematics, 21.06.2019 22:30, lauren21bunch
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
Mathematics, 21.06.2019 23:30, heavenwagner
The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume
Answers: 1
Afield test for a new exam was given to randomly selected seniors. the exams were graded, and the sa...
Mathematics, 26.02.2021 07:10
Mathematics, 26.02.2021 07:10
History, 26.02.2021 07:10
Mathematics, 26.02.2021 07:10
Mathematics, 26.02.2021 07:10