Write the claim mathematically and identify h0 and ha

Assignment Help Mathematics

Reference no: EM13191879

(a) Write the claim mathematically and identify H0 and Ha (b) Find the standardized test statistic Z and its corresponding area. (c) Find the P-value. (d) Decide whether to reject or fail to reject the null hypothesis. (e) Interpret the decision in the context of the original claim. In Illinois, a random sample of 85 eighth grade students has a mean of score of 265 with a standard Deviation of 55 on a national mathematics assessment test. this test results prompts a state school administrator to declare that the mean score for the state's eighth graders on the examination is more that 260. at a=0.04 is there enough evidence to support the administators claim?

Reference no: EM13191879

Questions Cloud

What is the proper economic response that one would give : During a recent conversation I had with a friend in Chattanooga, he said that a new Walmart was being constructed there. "The last thing we need is another Walmart," he told me. What is the proper (economic) response that one would give to that st..

How large should the squares cut from the corners : an open-top box is to be made by cutting small congruent squares from corners of a 30 x 30 sheet and bending it up to the sides. how large should the squares cut from the corners to make the box hold as much as possible?

Define acetylsalicylic acid in water and titrated solution : pure acetylsalicylic acid in water and titrated solution to equivalence point using 88.43 ml of .102 M NaOH (aq) Assuming that acetylsalicylic acid has only one ionizable hydrogen calculate molar mass of acid

Recommend emotional behavior disorder assessments : Recommend Emotional Behavior Disorder assessments that need to be discontinued and why they need to be discontinued.

Write the claim mathematically and identify h0 and ha : this test results prompts a state school administrator to declare that the mean score for the state's eighth graders on the examination is more that 260. at a=0.04 is there enough evidence to support the administators claim?

Determine quivalent annual worth of bridge : A new bridge across the Allegheny River in Pittsburg is expected to be permanent and will have an initial cost of $30 million. This bridge must resurfaced every 5 years at a cost of $1 million. The annual inspection and operating costs are estimat..

Which scale will allow her to make the tallest model : A building is 616 feet tall. For a class project, Kari is to make a scale model of the building to place in the front hall display case. The display case is 27 inches tall. Which scale will allow her to make the tallest model that will fit in the ..

What is the predicted production of a 20 foot tree : the yearly production of a 4 foot orange tree is 16 pounds of oranges. A 17 foot tree produces 82 pounds. Let h represent the height of an orange tree and p the number of pounds of oranges produced.

Describe the shape of isoquant decreasing returns to scale : Suppose the number of points on an economics midterm (P) can be characterized by the following production function: P = 10H - 4B where H is the number of hours spend studying and B is the number of beers in the week prior to the midterm.

User Account

All Pages