subject
Mathematics, 04.12.2020 19:00 dtovar4922

The number of minutes needed to finish the Probability Distributions Unit Test is Normally distributed with a mean of 70 minutes and a standard deviation of 10 minutes. What proportion of students will finish the test in less than 55 minutes? What proportion of students will take between 48 and 72 minutes to finish the test? What proportion of students will take longer than 68 minutes to finish the test?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?
Answers: 1
question
Mathematics, 21.06.2019 17:00
Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?
Answers: 1
question
Mathematics, 21.06.2019 19:30
The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons
Answers: 3
question
Mathematics, 21.06.2019 20:00
Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter
Answers: 1
You know the right answer?
The number of minutes needed to finish the Probability Distributions Unit Test is Normally distribut...
Questions
question
English, 28.09.2019 21:30
question
Mathematics, 28.09.2019 21:30
question
Mathematics, 28.09.2019 21:30