subject
Mathematics, 02.12.2021 14:00 smartpeep

Quiz-Normal Distributions 1: A group of students weighs 500 US pennies. They find that the pennies have normally
distributed weights with a mean of 3.1g and a standard deviation of 0.14.

A.)What percent of the pennies have a weight that lies between:

2.969 and 3.249 (i. e., within one standard deviation of the mean)?

2.829 and 3,389 (i. e., within two standard deviations of the mean)?

2.689 and 3.529 (i. e., within three standard deviations of the mean)?

B.)How many pennies have a weight that lies between

2.969 and 3.249 (i. e., within one standard deviation of the mean)?

2.829 and 3.389 (i. e., within two standard deviations of the mean)?

2.68g and 3.52g (i. e., within three standard deviations of the mean)?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
Answers: 1
question
Mathematics, 21.06.2019 19:00
Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.
Answers: 2
question
Mathematics, 21.06.2019 19:30
The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section
Answers: 1
question
Mathematics, 21.06.2019 20:30
This is about circle theorems. someone asap : (
Answers: 1
You know the right answer?
Quiz-Normal Distributions 1: A group of students weighs 500 US pennies. They find that the pennies...
Questions
question
Mathematics, 25.02.2021 05:50
question
Mathematics, 25.02.2021 05:50
Questions on the website: 13722367