メー(313-172こっC-ASămple formula/solying9-172ニ23-171.5 Written Work No. 3: CONVERTING A NORMAL RANDOM VARIABLETO A STANDARD NORMAL VARIABLE AND VICE VERSAB. PROBLEM SOLVING: Determine the z-value for each of the following xvalues for a normal distribution with u = 17 and o = 4.7. x= 78. x=39. x = 1710. x = 30%3DOLOGYANDPHILIPP

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Answered: Written Work No. 3: CONVERTING A NORMAL…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Determine which of the following are characteristics of a normal curve.
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The number of supermarkets in the City of East Tampa follows a Poisson process with the mean number of supermarkets equal to 0.12 supermarkets per square mile. Assuming that the population is evenly spread across the city, does it meet the food desert criterion that at least 33 percent of the population lives more than 1 mile from a supermarket? Hint: Think about the connection between the percent of the population that lives more than 1 mile from a supermarket and the probability that there are no supermarkets within 1 mile of a particular resident of East Tampa. 4.
What is the value of the variance of weight gain for the off-campus students? (Round your answer to two decimal places.)
Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 94 87 83 104 98 108 84 89 The sample mean is x = 93.4. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that o = 12.5. The mean glucose level for horses should be u = 85 mg/100 ml.t Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use a = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? O Ho: H = 85; H,: u + 85; two-tailed O Ho: H = 85; H: µ > 85; right-tailed O Ho: H > 85; H,: µ = 85; right-tailed O Ho: H = 85; H,: µ < 85; left-tailed (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. O The Student's t, since we assume…
Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 95 88 80 107 97 112 83 87 The sample mean is x ≈ 93.6. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that σ = 12.5. The mean glucose level for horses should be μ = 85 mg/100 ml.† Use α = 0.05. Find (or estimate) the P-value. (Round your answer to four decimal places.)
The graph to the right portrays the decision criterion for a hypothesis test for a population mean u. The null hypothesis for the test is Ho: H= Ho- The curve in the graph is the Do not reject Ho I Reject Ho normal curve for the test statistic under the assumption that the null hypothesis is true. Complete parts (a) through (f) below. Reject I Ho I 3D 0.01 0.01 -2.054 2.054 a. Determine the rejection region. O.A. zs -2.054 O B. -2.054 szs2.054 O C. zs - 2.054 or z22.054 O D. z>2.054 b. Determine the nonrejection regon. O A. z> - 2.054 B. -2.054
Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 93 87 81 104 98 110 85 90 The sample mean is x ≈ 93.5. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that σ = 12.5. The mean glucose level for horses should be μ = 85 mg/100 ml.† Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use α = 0.05. (a) What is the level of significance?State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? H0: μ = 85; H1: μ < 85; left-tailedH0: μ = 85; H1: μ ≠ 85; two-tailed H0: μ = 85; H1: μ > 85; right-tailedH0: μ > 85; H1: μ = 85; right-tailed (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. The Student's t, since n…
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Look at the normal curve below, and find μ, μ+o, and o. fl= μ+0= J= 6 8 10 12
Practice Exercise Determine if the random variable X or Y is discrete or continuous. 1. X = number of points scored in the last season by a randomly selected basketball player in the PBA 2. Y = the height in centimeter of a randomly selected student inside the library 3. X = number of birds in a nest 4. Y = the weights in kg of randomly selected dancers after taking up aerobics 5. Z = the hourly temperatures last Sunday
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Written Work No. 3: CONVERTING A NORMAL RANDOM VARIABLE TO A STANDARD NORMAL VARIABLE AND VICE VERSA B. PROBLEM SOLVING: Determine the z-value for each of the following x values for a normal distribution with u = 17 and o = 4. 7. x= 7 8. x=3 9. x = 17 10. x = 30 %3D %3D AND iTECHNOLOGE PHILIPE