Mathematics, 22.04.2021 18:20, koranbutterton
A textbook company states that the average time a student needs to take a quiz from its book is 30 minutes with a standard deviation of 3 minutes. A teacher using the book is not sure that this is correct for her classes and wants to check. She collects data on 10 random students and finds that the average time to take the quiz was only 25 minutes. As a result, the teacher performs a two-tailed hypothesis test with a significance level of 5%. Which conclusion is valid based on the results of the test
Answers: 3
Mathematics, 21.06.2019 21:30, neptunesx
Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m
Answers: 2
Mathematics, 21.06.2019 22:30, 713073
Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.
Answers: 2
A textbook company states that the average time a student needs to take a quiz from its book is 30 m...
Biology, 07.10.2021 14:00
Computers and Technology, 07.10.2021 14:00
Engineering, 07.10.2021 14:00
Computers and Technology, 07.10.2021 14:00
Mathematics, 07.10.2021 14:00