Mathematics
Mathematics, 16.10.2020 04:01, SGARCIA25

Need an answer asap!! For a 4-units class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on students, and the distribution of total study hours per week is bell-shaped with a mean of 14 hours and a standard deviation of 3 hours.

Use the Empirical Rule to answer the following questions.

a) 68% of the students have study hours that are between
___and
c) What percentage of the students have study hours that are below 23? ___%

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, juliaduenkelsbu
Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?
Answers: 2
image
Mathematics, 21.06.2019 18:30, viktoria1198zz
Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.
Answers: 1
image
Mathematics, 21.06.2019 23:20, lyss12326
Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?
Answers: 1
image
Mathematics, 22.06.2019 00:30, yokis2710
In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?
Answers: 3
Do you know the correct answer?
Need an answer asap!! For a 4-units class like Statistics, students should spend average of 12 hour...

Questions in other subjects: