Statistics (MATH225N)

Chamberlain College Nursing

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MATH 225N Week 6 quiz (2020) – Chamberlain College of Nursing | MATH225N Week 6 quiz (2020) – Graded A
  • MATH 225N Week 6 quiz (2020) – Chamberlain College of Nursing | MATH225N Week 6 quiz (2020) – Graded A

  • Exam (elaborations) • 18 pages • 2021
  • 1/1 points A fitness center claims that the mean amount of time that a person spends at the gym per visit is 33 minutes. Identify the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the parameter μ. ________________________________________ That is correct! ________________________________________ H0: μ≠33; Ha: μ=33 H0: μ=33; Ha: μ≠33 H0: μ≥33; Ha: μ<33 H0: μ≤33; Ha: μ>33 Answer Explanation Correct answer: H0: μ=33; Ha: μ≠33 ...
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Math 225N Week 5 Assignment_2020 {Graded A} | Central Limit Theorem for Means – Chamberlain College of Nursing
  • Math 225N Week 5 Assignment_2020 {Graded A} | Central Limit Theorem for Means – Chamberlain College of Nursing

  • Exam (elaborations) • 17 pages • 2021
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  • Math 225N Week 5 Assignment (2020) : Central Limit Theorem for Means – Chamberlain College of Nursing 1. Question A family of statisticians is trying to decide if they can afford for their child to play youth baseball. The cost of joining a team is normally distributed with a mean of $750 and a standard deviation of $185 . If a sample of 40 teams is selected at random from the population, select the expected mean and standard deviation of the sampling distribution below. Correct answer...
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MATH 225N Week 6 Assignment 2020 - {Graded A} | Confidence Interval for Mean – Population Standard Deviation Known
  • MATH 225N Week 6 Assignment 2020 - {Graded A} | Confidence Interval for Mean – Population Standard Deviation Known

  • Exam (elaborations) • 14 pages • 2021
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  • MATH 225N Week 6 Assignment 2020 - Chamberlain College of Nursing | Confidence Interval for Mean – Population Standard Deviation Known Find the sample size required to estimate a population mean with a given confidence level Question The population standard deviation for the number of corn kernels on an ear of corn is 94 kernels. If we want to be 90%confident that the sample mean is within 17 kernels of the true population mean, what is the minimum sample size that should be taken? z0...
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Math 225N Week 5 Assignment_2020 {Grade A} | Math225N Week 5 Assignment_Central Limit Theorem for Proportions
  • Math 225N Week 5 Assignment_2020 {Grade A} | Math225N Week 5 Assignment_Central Limit Theorem for Proportions

  • Exam (elaborations) • 23 pages • 2021
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  • Math 225N Week 5 Assignment (2020) : Central Limit Theorem for Proportions – Chamberlain College of Nursing 1. A dental student is conducting a study on the number of people who visit their dentist regularly. Of the 520 people surveyed, 312 indicated that they had visited their dentist within the past year. Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=60. Correct answers: • 10 point 6 0 0 $0.600$0.600 ...
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