List of Solutions

QUESTIONS Question 1 Based on Hugo’s study outcomes regarding his pitch speed, choose the correct conclusions that interprets the results within the context of the hypothesis test. Select all that… Read More »(Answer) MATH399N – Week 7 Assignment: Conduct a Hypothesis Test for Mean – Population Standard Deviation Known – Critical Value/Rejection Region Approach

Question 1 Identify the type of hypothesis test below. H0:X=10.2, Ha: X>10.2 Question 2 Which of the hypothesis tests listed below is a left-tailed test? Select all correct answers. H0: μ=18, Ha: μ<18 H0:… Read More »(Answer) MATH399N – Week 7 Assignment: Week 7 – Developing Hypothesis and Understanding Possible Conclusions for Mean

Hypothesis Testing is the use of statistics to determine the probability that a given claim is true. In Part II of this project, you will choose a data set, review… Read More »(Answer) MATH399N – Week 7 Assignment: Course Project Part II

Required Resources Read/review the following resources for this activity: Textbook: Chapter 9 (All Sections) Lesson Minimum of 1 scholarly source Initial Post Instructions After reviewing data from a sample, an… Read More »(Answer) MATH399N – Week 7 Discussion: Rejection Region

QUESTIONS Question 1 Assume the distribution of commute times to a major city follows the normal probability distribution and the standard deviation is 4.5 minutes. A random sample of 38 commute times is given… Read More »(Answer) MATH399N – Week 6 Assignment: Calculating Confidence Intervals with Technology – Excel

QUESTIONS Question 1 A research intern would like to estimate, with 90% confidence, the true proportion of employees who hold two jobs. No preliminary estimate is available. The researcher wants the estimate to be within 3% of… Read More »(Answer) MATH399N – Week 6 Assignment: Confidence Intervals for Population Proportion

QUESTIONS Question 1 The commute times for workers in a city are normally distributed with an unknown population mean and standard deviation. If a random sample of 20 workers is taken and… Read More »(Answer) MATH399N – Week 6 Assignment: Confidence Interval for Population Mean- Population Standard Deviation UnKnown

QUESTIONS Question 1 Suppose the number of dollars spent per week on groceries is normally distributed. If the population standard deviation is 7 dollars, what minimum sample size is needed to be 90% confident… Read More »(Answer) MATH399N – Week 6 Assignment: Confidence Interval for Population Mean- Population Standard Deviation Known

QUESTIONS Question 1 The weights, in pounds, of the cats in an animal adoption center are normally distributed. If a random sample of cats is taken and the confidence interval… Read More »(Answer) MATH399N – Week 6 Assignment: Confidence Intervals