Mathematics, 18.03.2021 02:00 Sinless60951
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities:
Suggest you make a drawing and label firstβ¦
a. Percentage of scores less than 100
b. Relative frequency of scores less than 120
c. Percentage of scores less than 140
d. Percentage of scores less than 80
e. Relative frequency of scores less than 60
f. Percentage of scores greater than 120
Answers: 2
Mathematics, 22.06.2019 02:00
Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?
Answers: 2
Mathematics, 22.06.2019 05:30
Xyz was reflected to form lmn which statements are true regarding the diagram check all that apply
Answers: 3
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation...
Biology, 17.12.2020 20:30
Mathematics, 17.12.2020 20:30
Arts, 17.12.2020 20:30
History, 17.12.2020 20:30
Health, 17.12.2020 20:40
Mathematics, 17.12.2020 20:40
Chemistry, 17.12.2020 20:40
Mathematics, 17.12.2020 20:40
Mathematics, 17.12.2020 20:40
Social Studies, 17.12.2020 20:40
Mathematics, 17.12.2020 20:40
Mathematics, 17.12.2020 20:40