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 21:30
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
Answers: 3
Mathematics, 21.06.2019 22:00
Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).
Answers: 1
Mathematics, 22.06.2019 02:40
Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (β39)
Answers: 3
Students taking a midterm exam had a mean score of 68, with a standard devia-
tion of 6.2. Assume t...
History, 24.10.2019 10:43
Health, 24.10.2019 10:43
Mathematics, 24.10.2019 10:43
Spanish, 24.10.2019 10:43
History, 24.10.2019 10:43
Mathematics, 24.10.2019 10:43
Mathematics, 24.10.2019 10:43