find1. T value 2. P value 3. Critical values 4. Reject or do not reject 5. State conclusion College tuition: The mean annual tuition and fees for a sample of 23private colleges in California was $38,500 with a standard deviation of $7700.A dotplot shows that it is reasonable to assume that the population isapproximately normal. Can you conclude that the mean tuition and fees forprivate institutions in California is greater than $35,000? Use the α=0.05 levelof significance and the P-value method with the TI-84 Plus calculator.Part 1 of 5(a) State the appropriate null and alternate hypotheses.Ho: | u = 35,000H₁:μ> 35,000This hypothesis test is a right-tailed ▼ test.Part: 1 / 5Part 2 of 5(b) Compute the value of the test statistic. Round the answer to twodecimal places.tXŚ

Any statement or assertion about a statistical population or the values of its parameters is called…

Answered: College tuition: The mean annual…

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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Select the correct answer(s) for each item. If NONE or MORE THAN ONE of the choices is the correct answer, choose E.
What is the definition of a critical point?
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The proportion of defective items is not allowed to be over 12%. A buyer wants to test whether the proportion of defectives in his shipment of 1000 items exceeds the allowable limit. The buyer takes a SRS of 100 items and finds that 19 are defective. State your conclusion Group of answer choices A. Evidence suggests the proportion of defectives exceeds the allowable limit. B. Inconclusive result. C. There is not enough evidence to suggest the proportion of defectives exceeds the allowable limit. D. Evidence suggests the proportion of defectives is significantly lower than the allowable limit.
8. The critical value is .811. Can I say a linear relationship exists? (65, 8), (70, 10), (75, 11), (80,13), (85, 12), (90, 16) Optional Answers: 1. yes 2. no
need answer and all the work
Total blood volume (in ml) per body weight (in kg) is important in medical research. For healthy adults, the red blood cell volume mean is about ? = 28 ml/kg.† Red blood cell volume that is too low or too high can indicate a medical problem. Suppose that Roger has had seven blood tests, and the red blood cell volumes were as follows. 34 23 40 37 28 38 29 The sample mean is x = 32.714 ml/kg. Let x be a random variable that represents Roger's red blood cell volume. Assume that x has a normal distribution and ? = 4.75. Do the data indicate that Roger's red blood cell volume is different from ? = 28 ml/kg? Use ? = 0.01. (a) What is the level of significance?State the null hypothesis H0 and the alternate hypothesis H1 . H0 : ? H1 : ? What kind of test is this? left-tailed testtwo-tailed test right-tailed test (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. The standard normal, since we assume that x…
please answer in 30 mins. answer only if right.
Total blood volume (in ml) per body weight (in kg) is important in medical research. For healthy adults, the red blood cell volume mean is about μ = 28 ml/kg.† Red blood cell volume that is too low or too high can indicate a medical problem. Suppose that Roger has had seven blood tests, and the red blood cell volumes were as follows. 33 26 42 34 28 35 31 The sample mean is x ≈ 32.7 ml/kg. Let x be a random variable that represents Roger's red blood cell volume. Assume that x has a normal distribution and σ = 4.75. Do the data indicate that Roger's red blood cell volume is different (either way) from μ = 28 ml/kg? Use a 0.01 level of significance. (a) What is the level of significance? Compute the z value of the sample test statistic. (Round your answer to two decimal places.)(c) Find (or estimate) the P-value. (Round your answer to four decimal places.)
Q1. A psychologist conducted a study on the relationship between introversion and shyness. The values are results for scales of introversion and shyness. High positive scores on each scale indicate high introversion or shyness; and high negative scores indicate low introversion or shyness. Data collected from 10 people as follows: Introversion 4 -7 -1 0 6 7 -4 -9 -5 8 Shyness 11 -7 -1 -3 0 7 -1 -8 -1 5 a) Compute the correlation coefficient relating introversion and shyness scores. b) Find the regression equation which predicts introversion from shyness. c) What introversion score would you predict from a shyness score of 7?
2.) Consider an M/M/2 system with an arrival rate of 9 per minute and a service rate of 8 per minute. What is the average time a customer spends in the system? Take your answer to three decimal places. Omit the units in your answer.
IV. APPLICATION AND ANALYSIS ON QUEUING THEORY. Direction: Given the following assumptions, derive the answer/s for each question. In answering the questions, copy the questions into the Output Area and write your answers after each question. Assumptions: Mean Arrival Rate (2) = 3 customers/hour Number of Ser vers (C ) = 1 Mean Service Rate (U) = 4 customer s/hour 1. Calculate and determine the Occupation Rate. (p) 2. What is the average number in system average (L)? 3. Determine the average system in system (W). 4. What is the average time in queue (Wq)? 5. Determine the length of queue (Lq). Capacity Demand p = Available Capacity u =- L=p/(1- p) Lq= p2/(1- p) = L-p W=LA=1/(u- 2) We-Lψλ- λ( μ(μ- λ)

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