N<-3.43.3<<-3.2<-3.1-3.0-2.92.8-2.7-2.62.5<-2.4<-2.3-2.2<-2.1<-2.01.91.81.71.61.5<-1.4-1.3-1.2-1.11.0-0.9-0.8-0.7-0.6-0.5-0.4-0.3-0.2-0.1-0.0.00.0003.0005.0007.0010.0013.0019.0026.0035.0047.0062.0082.0107.0139.0179.02280287.0359.04460548.0668.0808.0968115113571587.18412119.2420.2743.3085.3446.38214207.4602.5000.01.0003.0005.0007.0009.0013.0018.0025.0034.0045.0060.0080.0104.0136.0174.0222.0281.0351.0436.0537.0655.0793.0951.1131.1335.1562.1814.2090.2389.2709.3050.3409.3783.41684562.4960.02.0003.0005.0006.0009.0013.0018.0024.0033.0044.0059.0078.01020132.0170.0217.0274.0344.04270526.0643.0778.0934.1112.1314.1539.17882061.2358.2676.3015337237454129.4522.4920.03.0003.0004.0006.0009.0012.0017.0023.0032.0043.0057.0075.00990129.01660212.0268.0336.0418.0516.0630.0764.0918.1093.1292.1515.176220332327.264329813336.370740904483.4880.04.0003.0004.0006.0008.0012.0016.0023.0031.0041.0055.0073.0096.0125.01620207.0262.0329.0409.0505.06180749.0901.1075.127114921736.2005.2296.26112946.3300.36694052.4443.4840.05.0003.0004.0006.0008.0011.0016.0022.0030.0040.0054.0071.00940122.0158.0202.0256.0322.0401€0495.0606.0735.0885.10561251.1469.1711.1977.22662578.2912.3264.36324013.4404.4801.06.0003.0004.0006.0008.0011.0015.0021.0029.0039.0052.0069.00910119.0154.0197.0250.0314.0392.0485059407210869.1038.1230.1446168.1949.2236.254628773228.35943974.4364.4761.07.0003.0004.0005.0008.0011.0015.0021.0028.0038.0051.0068.0089.0116.0150.01920244.0307.0384.0475.0582.07080853.1020.1210.1423.1660.1922.220625142843.3192.35573936.4325.4721.08.0003.0004.0005.0007.0010.0014.0020.0027.0037.0049.0066.00870113.0146.0188.0239.0301.0375.0465.05710694.0838.1003.1190.1401.1635.1894217724832810.3156.35203897.42864681.09.0002.0003.0005.0007.0010.0014.0019.0026.0036.0048.0064.00840110.0143.018302330294.0367.0455.0559.0681.0823.09851170137916111867.2148.2451.2776.3121.3483.385942474641 The distribution of course grades in a very large class is (approximately) Normal with mean 48 and standard deviation14. The minimum possible grade is 0 and the maximum possible grade is 120. The course instructor is considering thepossibility of a "bell curve" that will increase the mean grade to 77 and decrease the standard deviation to 6. Supposethe bell curve is applied and Zeus' grade stays the same. What is Zeus' grade?

Given information: The distribution of course grades in a very large class is Normal with mean 48…

Answered: The distribution of course grades in a…

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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2 pics, one questions
cise 6. Remember, the mean and standard deviation of the n speed of 23.84 mph, with 40 hours describing weights of the yearling Angus steers in Exer- 16. Temperatures A town's January high temperatures a standard deviation of 3.56 mph. One car's z-score was a weight of 1152 pounds with 14. Unusual steers? Suppose a Normal model is useful for weights were 1152 lbs and 84 lbs. Which would be more in July the mean high temperature is 74° and the standard deviation is 8°. In which month is it more average 36°F with a standard deviation of 10°, v 11. Mensa sometimes classi points, wha a 22. More mean of 100 and a standa answ ar they a) I te in Exercise 6 had a mean b) A c) cise 7 were traveling at a mean 23. IQ: ans going? +3.2. How fast was that one a) b) c) unusual, a steer weighing 1000 pounds or one 1250 pounds? 15. Unusual cars? Suppose a Normal model is useful for describing speeds of Stanford cars in Exercise 7. Remem- ber, the mean and standard deviation of the speeds were 23.84 mph…
Please help me understand the problem. Is the given standard deviations 6, and 7? I know I need to use the unit normal table, and shade the curve. But how? Thanks.
Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is ? = 19 inches. However, a survey reported that of a random sample of 51 fish caught, the mean length was x = 18.6 inches, with estimated standard deviation s = 2.9 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than ? = 19 inches? Use ? = 0.05. i-What is the value of the sample test statistic? (Round your answer to three decimal places.)
Please answer ASAP
When using 1-Var Stats on a scientific or graphing calculator, the resulting statistical output includes two values for the standard deviation of the data set. These values are labeled as Sxand σx in the statistical output. Why is it necessary to give two values for the standard deviation? How would you choose which one to use as the standard deviation of a data set you are working with? Be sure to explain the difference between these two values as you answer these questions
Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is ? = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.4 inches, with estimated standard deviation s = 2.7 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than ? = 19 inches? Use ? = 0.05. Solve the problem using the critical region method of testing (i.e., traditional method). (Round the your answers to three decimal places.) test statistic = critical value = State your conclusion in the context of the application. Reject the null hypothesis, there is sufficient evidence that the average fish length is less than 19 inches.Reject the null hypothesis, there is insufficient evidence that the average fish length is less than 19 inches. Fail to reject the null hypothesis, there is…
1) Which is relatively better: a score of 88 on a Psychology test or a score of 45 on an Economics test? Scores on the Psychology test have a mean of 92 and a standard deviation of 10. Scores on the Economics test have a mean of 57 and a standard deviation of 5. Use measures of relative position to answer this exercise (Z-score).
Jeremiah earned a score of 530 on Exam A that had a mean of 450 and a standard deviation of 40. He is about to take Exam B that has a mean of 63 and a standard deviation of 20. How well must Jeremiah score on Exam B in order to do equivalently well as he did on Exam A? Assume that scores on each exam are normally distributed.
Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is ? = 19 inches. However, a survey reported that of a random sample of 51 fish caught, the mean length was x = 18.6 inches, with estimated standard deviation s = 3.1 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than ? = 19 inches? Use ? = 0.05. a) Estimate the P-value. select one:P-value > 0.0100.0010 < P-value < 0.010 0.250 < P-value < 0.00100.125 < P-value < 0.250P-value < 0.125 b) Sketch the sampling distribution and show the area corresponding to the P-value. c) will you reject or fail to reject the null hypothesis? Are the data statistically significant at level ??At the ? = 0.05 level, we reject the null hypothesis and conclude the data are statistically significant.At the ? = 0.05 level, we reject the null hypothesis and…
Alice was told that her reading test score was one standard deviation below to me if test scores were approximately normal with m= 86 and standard deviation= 4. What was Alice's score?
Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is ? = 19 inches. However, a survey reported that of a random sample of 51 fish caught, the mean length was x = 18.6 inches, with estimated standard deviation s = 3.5 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than ? = 19 inches? Use ? = 0.05. (a)What is the level of significance? =__ State the null and alternate hypotheses. A-H0: ? = 19 in; H1: ? ≠ 19 in B-H0: ? < 19 in; H1: ? = 19 in C-H0: ? = 19 in; H1: ? < 19 in D-H0: ? = 19 in; H1: ? > 19 in E-H0: ? > 19 in; H1: ? = 19 in (b)What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. A-The Student's t, since the sample size is large and ? is known. B-The standard normal, since the sample size is large and ? is known. C-The…

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