To test the hypothesis that the proportion of families who p…

To test the hypothesis that the proportion of families who plan to purchase a vacation residence in Las Vegas want a stand alone house is 55%, the null hypothesis is π = 0.55 and the alternate is π ≠ .55. A random sample of 400 families who planned to buy a vacation residence revealed that 228 families want a  stand alone house. What decision should be made regarding the null hypothesis using the 0.01 level of significance? 

Keisha selects a random sample of 51 is from a normal popula…

Keisha selects a random sample of 51 is from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and Keisha decided to use the 0.10 significance level. For what values of t will the null hypothesis not be rejected? 

I certify that I have read the Academic Integrity Policy in…

I certify that I have read the Academic Integrity Policy in the course syllabus and State College of Florida’s policy on academic integrity, and I certify that this work (assignment, assessment, and/or exam) is an original work completed by me for this course. All work (and answer responses) are my original work, and I have not used any assistive technology–such as A.I. or language translation software–to compose, improve, or answer any aspect this assignment/assessment, as well as I have not used any other technology devices (i.e. additional computers, laptops, cellphones, iPads, “Hand off tasks apps/programs”, etc.) to assist in completing this assignment/assessment. Only the materials, (study guides, student taken notes, lecture notes) which have been provided and authorized by the instructor are/were to be referenced and utilized accordingly. Violations of this agreement, will resut in automatic failure and inability to retake or makeup exam/test.

When the demand for electricity increases, an electric compa…

When the demand for electricity increases, an electric company can generate more electricity by using more fuel and increasing the working hours of many of its employees. The company cannot, however, increase electric power production by building additional generating capacity. In terms of the time horizon, this means that the company is in the