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(Answer) MATH399N – Week 6 Assignment: Confidence Interval for Population Mean- Population Standard Deviation UnKnown

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

(Answer) MATH399N – Week 6 Assignment: Confidence Interval for Population Mean- Population Standard Deviation Known

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

(Answer) MATH399N – Week 6 Assignment: Confidence Intervals

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

(Answer) MATH399N – Week 6 Assignment: Course Project Part I

Required Resources Read/review the following resources for this activity: Textbook: Chapter 8 Lesson Scenario/Summary You will complete a Course Project in this course that will span two weeks. The final… Read More »(Answer) MATH399N – Week 6 Assignment: Course Project Part I

(Answer) MATH399N – Week 6 Discussion: Confidence Interval Concepts

Required Resources Read/review the following resources for this activity: Textbook: Chapter 8 (All Sections) Lesson Minimum of 1 scholarly source Initial Post Instructions Find an example of a confidence interval… Read More »(Answer) MATH399N – Week 6 Discussion: Confidence Interval Concepts

(Answer) MATH399N- Week 5 Assignment: Using the Normal Distribution with Technology- Excel

QUESTIONS Question 1 Suppose that the weight, X, in pounds, of a 40-year-old man is a normal random variable with mean 147 and standard deviation 16. Calculate P(120≤X≤153). Round your answer to four decimal places. Question 2… Read More »(Answer) MATH399N- Week 5 Assignment: Using the Normal Distribution with Technology- Excel

(Answer) MATH399N – Week 5 Assignment: Probability Using the Normal Distribution

QUESTIONS Question 1 As stated in the previous problem, in a small town, 50% of single family homes have a front porch. 48 single family houses are randomly selected. If X represents the number of single family homes with a… Read More »(Answer) MATH399N – Week 5 Assignment: Probability Using the Normal Distribution

(Answer) MATH399N – Week 5 Assignment: Parameters of the Normal Distribution

QUESTIONS Question 1 Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. Question 2 Annie averages 23 points per basketball game with a standard… Read More »(Answer) MATH399N – Week 5 Assignment: Parameters of the Normal Distribution

(Answer) MATH399N – Week 4 Assignment: Distribution with Technology – Excel

QUESTIONS Question 1 An automobile manufacturer is concerned about the possibility of a fault in the engine of a particular model of one of its cars. This fault could potentially… Read More »(Answer) MATH399N – Week 4 Assignment: Distribution with Technology – Excel

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