subject
Mathematics, 10.07.2021 02:30 kjhgfcvb5761

A set of quiz scores has a mean of 78 and a standard deviation of 9. Using a common grading scale where 60 and above is a passing score, what percentage of the students passed this test?
Explain your answer in terms of the 68-95-99.7 rule.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)
Answers: 2
question
Mathematics, 21.06.2019 18:00
How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.
Answers: 1
question
Mathematics, 21.06.2019 20:30
Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?
Answers: 1
question
Mathematics, 22.06.2019 06:30
Find the exact value of sin 3.14/12
Answers: 1
You know the right answer?
A set of quiz scores has a mean of 78 and a standard deviation of 9. Using a common grading scale wh...
Questions
question
Chemistry, 06.10.2019 04:50
Questions on the website: 13722361