Mathematics
Mathematics, 02.05.2021 03:40, michaellab1

A delivery company is logging the number of miles each employee drives each day. The company found an average of about 85.6 miles. Assume that the standard deviation is 9.85 miles and that a random sample of 50 drivers was used to determine the average. Which statements are true about this situation? 1.)The 99% confidence interval is from about 81.43 to 90.58 miles.
2.)The 95% confidence interval is from about 82.87 to 88.33 miles.
3.)The margin of error for 95% confidence is about 2.52 miles.
4.)The sample isn’t large enough to use a normal distribution.
5.)The margin of error for 99% confidence is about 3.59 miles.
There are multiple answers

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, alyssahomeworkneeds
When the ball has traveled a distance of
Answers: 1
image
Mathematics, 21.06.2019 19:30, genyjoannerubiera
Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost
Answers: 1
image
Mathematics, 21.06.2019 23:30, tumadreeve7852
Select the correct answer and solve for y
Answers: 2
image
Mathematics, 22.06.2019 01:20, ctyrector
Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.
Answers: 2
Do you know the correct answer?
A delivery company is logging the number of miles each employee drives each day. The company found a...

Questions in other subjects:

Konu
Arts, 14.12.2020 02:10
Konu
Mathematics, 14.12.2020 02:10