subject
Mathematics, 08.03.2021 22:00 kookycookiefanx

1. The length of time it takes to complete a word puzzle is found to be normally distributed with a mean of 80 seconds and a standard deviation of 10 seconds. Using the 50%-34%-14% figures, approximately what percentage of scores (on time to complete the word puzzle) will be a) Above 100 seconds b) Below 100 seconds c) Above 90 seconds d) Below 90 seconds e) Above 80 seconds f) Below 80 seconds g) Above 70 seconds h) Below 70 seconds i) Above 60 seconds j) Below 60 seconds

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets
Answers: 2
question
Mathematics, 22.06.2019 00:40
Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22
Answers: 2
question
Mathematics, 22.06.2019 00:50
D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false
Answers: 1
question
Mathematics, 22.06.2019 02:30
Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?
Answers: 1
You know the right answer?
1. The length of time it takes to complete a word puzzle is found to be normally distributed with a...
Questions
question
Mathematics, 30.11.2020 20:30
question
Mathematics, 30.11.2020 20:30
question
Social Studies, 30.11.2020 20:30
question
Mathematics, 30.11.2020 20:30
question
History, 30.11.2020 20:30
Questions on the website: 13722367