Mathematics, 29.10.2020 21:00 ayindejoy
Students taking a midterm exam had a mean score of 68, with a standard devia-
tion of 6.2. Assume that the scores are normally distributed. Unusual events are any values outside of two standard deviations from the mean.
(1) Find the probability that a student had a score lower than 61.8. Is this an
unusual event? Explain.
(2) Find the probability that a student had a score between 55.6 and 68. Is this
an unusual event? Explain.
Answers: 1
Mathematics, 21.06.2019 21:00
Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5
Answers: 1
Mathematics, 21.06.2019 21:10
Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
Answers: 1
Students taking a midterm exam had a mean score of 68, with a standard devia-
tion of 6.2. Assume t...
English, 17.12.2020 23:10
Mathematics, 17.12.2020 23:10
Chemistry, 17.12.2020 23:10
SAT, 17.12.2020 23:10
Computers and Technology, 17.12.2020 23:10
English, 17.12.2020 23:10
English, 17.12.2020 23:10
Social Studies, 17.12.2020 23:10
History, 17.12.2020 23:10
English, 17.12.2020 23:10