subject
Mathematics, 03.12.2019 22:31 achasengnou792

Nationally, about 11% of the total u. s. wheat crop is destroyed each year by hail.† an insurance company is studying wheat hail damage claims in a county in colorado. a random sample of 16 claims in the county reported the percentage of their wheat lost to hail. 15 9 10 11 13 21 12 12 8 11 22 19 15 11 12 3 the sample mean is x = 12.8%. let x be a random variable that represents the percentage of wheat crop in that county lost to hail. assume that x has a normal distribution and σ = 5.0%. do these data indicate that the percentage of wheat crop lost to hail in that county is different (either way) from the national mean of 11%? use α = 0.01.(a) what is the level of significance? state the null and alternate hypotheses. will you use a left-tailed, right-tailed, or two-tailed test?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
What is the volume of a cone with a height of 6 cm in the radius of 2 cm
Answers: 1
question
Mathematics, 21.06.2019 19:10
What is the quotient? x+5/ 3x²+4x+5 © 3x2 – 11 + x + s 3x – 11 + 60 x + 5 o 3x2 - 11 - 50 x + 5 3x – 11 - - x + 5
Answers: 3
question
Mathematics, 21.06.2019 21:30
Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m
Answers: 2
question
Mathematics, 21.06.2019 22:30
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)
Answers: 1
You know the right answer?
Nationally, about 11% of the total u. s. wheat crop is destroyed each year by hail.† an insurance co...
Questions
question
Mathematics, 18.12.2020 19:10
question
Mathematics, 18.12.2020 19:10
question
Mathematics, 18.12.2020 19:10
Questions on the website: 13722363