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 21:00
Write the equation in logarithmic form m^x=n
Answers: 1
question
Mathematics, 21.06.2019 22:30
Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?
Answers: 2
question
Mathematics, 21.06.2019 23:00
Which geometric principle is used to justify the construction below?
Answers: 1
question
Mathematics, 22.06.2019 00:30
The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase
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, 02.09.2021 19:40
Questions on the website: 13722361