Statistics > QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 5 Quiz Statistics MISC (All)

A statistics student is trying to decide whether she should take a gamble and play Bingo. The average Bingo player earns $9 per game, distributed normally, with a population standard deviation of $8... . If a sample of 25 Bingo players are selected at random from the population, select the expected mean of the sampling distribution and the standard deviation of the sampling distribution below. Well done! You got it right. σx¯=$0.32 σx¯=$8 σx¯=$1.60 μx¯=$9 μx¯=$1.80 μx¯=$0.36 Answer Explanation Correct answer: σx¯=$1.60 μx¯=$9 The standard deviation of the sampling distribution is: σx¯=σn−−√=$825−−√=$1.60 When the distribution is normal the mean of the sampling distribution is equal to the mean of the population μx¯=μ Question A well known social media company is looking to expand their online presence by creating another platform. They know that they current average 2,500,000 users each day, with a standard deviation of 625,000 users. If they randomly sample 50 days to analyze the use of their existing technology, identify each of the following, rounding to the nearest whole number if necessary: Answer 1: Not quite - review the answer explanation to help get the next one. mu is equal to$\mu=$μ= 2 comma 500 comma 000$$2,500,0002 comma 500 comma 000 - correct users sigma is equal to$\sigma=$σ= 625 comma 000$$625,000625 comma 000 - correct users n is equal to$n=$n= 50$$5050 - correct mu sub line segment x is equal to $\mu_{\overline{x}}=$μghx= 625 comma 00050$ $625,00050625 comma 00050 - incorrect users sigma sub line segment x is equal to$\sigma_{\overline{x}}=$σghx= 88 comma 388$$88,38888 comma 388 - correct users response - incorrect Correct answers: Answer 2: That's not right - let's review the answer. mu is equal to$\mu=$μ= 2 comma 500 comma 000$$2,500,0002 comma 500 comma 000 - correct users sigma is equal to$\sigma=$σ= 625 comma 000$$625,000625 comma 000 - correct users n is equal to$n=$n= 50$$5050 - correct mu sub line segment x is equal to $\mu_{\overline{x}}=$μghx= 625 comma 00050$ $625,00050625 comma 00050 - incorrect users sigma sub line segment x is equal to$\sigma_{\overline{x}}=$σghx= 88 comma 388$$88,38888 comma 388 - correct users response - incorrect Correct answers: Answer Explanation mu is equal to$\mu=$μ= 1$$1 - no response given users sigma is equal to$\sigma=$σ= 2$$2 - no response given users n is equal to$n=$n= 3$$3 - no response given mu sub line segment x is equal to $\mu_{\overline{x}}=$μghx= 4$$4 - no response given users sigma sub line segment x is equal to$\sigma_{\overline{x}}=$σghx= 5$$5 - no response given users Correct answers: 12500000$2500000$2500000 2625000$625000$625000 350$50$50 [Show More]

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Mathematics> QUESTIONS & ANSWERS > MATH 225N Statistics. Chamberlain College of Nursing Week 4-Quiz Rated A (All)

MATH 225N Statistics. Chamberlain College of Nursing Week 4-Quiz Question 1 Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 7 Math 225N Statistics Quiz Latest 2022 (All)

Week7 Assisgnment- Conducting a hypothesis test P-Value Approach Determine the p-value for a hypothesis test for the mean (population standard deviation known) Question What is the p-value of a two...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 5 Math 225N Statistics Quiz Latest 2022 (All)

Week 5 Assignment: Applications of the Normal Distribution - Excel Question Sugar canes have lengths, X , that are normally distributed with mean 365.45 centimeters and standard deviation 4.9 cent...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 1 Sampling Questions and Anwers Math 225N Statistics Quiz Latest 2022 (All)

Questions 1. Assume that 80 houses are present in the form of a grid consisting of 10 columns and 8 rows. If a loud speaker is placed just before the first row, which sampling method works the best...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 3 Math 225N Statistics Quiz Latest 2022 (All)

Week 3 Distribution Shape If the median of a data set is 13 and the mean is 13, which of the following is most likely? Perfect. Your hard work is paying off � The data are skewed to the left. The...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 1 Evidence, Claims, and Types Questions and Answers Graded A+ (All)

Week 1 Evidence, Claims, and types Questions and Answers 1. A study is planned to research the effects of drinking coffee on hours of sleep. Would an experimental or observational study design be mo...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 2 Math 225n Statistics Quiz Latest Updated Rated A (All)

Question 1 A company has developed a wristband for monitoring blood sugar levels without requiring direct blood samples. It is interested in demonstrating the accuracy of the device for governmental...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 4 Math 225N Statistics Quiz Already Passed (All)

Week 4 quiz Question 1 Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are listed below. 16,14,14,21,15 Find...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 6 Math 225N Statistics Quiz Latest 2022 (All)

Week 6 Quiz Question 1 A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points...

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Statistics> QUESTIONS & ANSWERS > Chamberlain College of Nursing Week 6 Math 225n Statistics (All)

Week 6 Quiz Question 1 A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points...

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