Mathematics
Mathematics, 25.04.2020 04:01, casianogabriel2004

The Weather Underground reported that the mean amount of summer rainfall for the northeastern US is 8.5 inches. Mr. Weatherman, a meteorologist does not believe that. He randomly selected 9 cities in the northeast and found the mean rainfall amount to be 7.5 inches with a standard deviation of 1.5 inches. Test the hypothesis at 1% significance level.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:30, alleshia2007
If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4
Answers: 1
image
Mathematics, 21.06.2019 17:00, cooboy
You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?
Answers: 1
image
Mathematics, 21.06.2019 17:00, daeshawnc14
Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?
Answers: 1
image
Mathematics, 21.06.2019 20:00, xwalker6772
Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?
Answers: 1
Do you know the correct answer?
The Weather Underground reported that the mean amount of summer rainfall for the northeastern US is...

Questions in other subjects: