2. Which of the following graphs represent a normal distribution?Chart A201510(1, 5.4)(5.4, 9.8)(9.8, 14.2)(14.2, 18.6)(18.6, 23](23, 27.4]Chart B190.5Category 1Category 2Category 4Chart C20[1, 6)16. 111(11, 16](16, 21](21, 26]Chart D251510(1,7.4)(74, 13.8)(13.8, 20.2)(20.2, 26.6]

Here use basic graph properties for normal curve

Answered: 2. Which of the following graphs…

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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For any distribution x, what is the least percentage of data that falls within 2.5 standard deviations of the mean?
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On average, a banana will last 6 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil less if the banana is hung from the ceiling? The data show results of an experiment with 15 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 6.3, 3.5, 5.6, 4.2, 4.4, 3.9, 4.5, 5.5, 7.1, 5.6, 6.6, 6.1, 6.3, 7.2, 4 What can be concluded at the the αα = 0.01 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: H1:H1: The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis. Thus, the final conclusion is that ... The data suggest that the population mean time that it takes for bananas to spoil if they are hung from the ceiling is…
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On average, a banana will last 6.7 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.6, 6.2, 5.7, 7.9, 8.6, 7.9, 6, 6.7, 6.1, 5.8, 8.8, 8.1, 5.4, 5.6 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer H1: ? Select an answer c. The test statistic ? (please show your answer to 3 decimal places.) = d. The p-value (Please show your answer to 4 decimal places.) е. The p-valuе is (? f. Based on this, we should | Select an answer the null hypothesis. g. Thus, the final conclusion is that The data suggest the populaton mean is significantly more than 6.7 at a = 0.01, so there is…
Draw a graph
The graph illustrates the "Distribution of College Algebra Course Grades". 29 42 55 68 81 94 107 Distribution of College Algebra Course Grades What is the mean of this normal distribution? 但= What is the standard deviation of this normal distribution?
The annual per capita consumption of ice cream (in pounds) in the United States can be approximated by the normal distribution, as shown in the figure to right. the (a) What is the largest annual per capita consumption of ice cream that can be in the bottom 9% of consumptions? (b) Between what two values does the middle 80% of the consumptions lie? UN H=19.8 4.3 8 20 32 Consumption (in lbs)

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