Mathematics, 11.03.2020 03:30 Sumysumy

The method of tree ring dating gave the following years A. D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution.1229 1257 1313 1201 1268 1316 1275 1317 1275(a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to the nearest whole number.)x = A. D.s = yr(b) Find a 90% confidence interval for the mean of all tree ring dates from this archaeological site. (Round your answers to the nearest whole number.)lower limit A. D.upper limit A. D.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:00

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Answers: 3

Answer

Mathematics, 21.06.2019 20:30

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Answers: 1

Answer

Mathematics, 22.06.2019 00:30

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?

Answers: 1

Answer

You know the right answer?

The method of tree ring dating gave the following years A. D. for an archaeological excavation site....

Questions

Mathematics, 15.12.2019 18:31

Wha is the name of the line that you use to define a parabola?

Mathematics, 15.12.2019 18:31

What are the differences between medicare part a and medicare part b?...