subject
Mathematics, 22.11.2019 21:31 aurora32

When the statistics exam is handed back, you are curious about many people in your class got an a (raw score greater than 78 points). the class mean was 72.5 and the standard deviation was 4.3. what proportion of the class scored higher than 78?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 20.06.2019 18:02
Factor the expression. 4d + 12 __ (d +
Answers: 1
question
Mathematics, 21.06.2019 13:00
Given tanβˆ…=4/3 and Ο€< βˆ…< (3Ο€)/2; find cos2βˆ… a. -24/25 b. 24/25 c. -24/7 d. -7/25
Answers: 1
question
Mathematics, 21.06.2019 16:00
What kind of bond pays interest which is exempt from tax?
Answers: 1
question
Mathematics, 21.06.2019 21:00
Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save
Answers: 1
You know the right answer?
When the statistics exam is handed back, you are curious about many people in your class got an a (r...
Questions
question
Mathematics, 05.02.2020 10:56
question
Mathematics, 05.02.2020 10:57