escAToption:9:F1Use the ALEKS calculator to solve the following problems.N(a) Consider a t distribution with 9 degrees of freedom. Compute P(-1.15

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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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t distribution Use the ALEKS calculator to solve the following problems. (a) Consider at distribution with 22 degrees of freedom. Compute P(t>-1.57). Round your answer to at least three decimal places. P(t>-1.57)= ] (b) Consider at distribution with 7 degrees of freedom. Find the value of c such that P(-c
The average age at which adolescent girls reach their adult height is 16 years. Suppose you have a sample of 29 adolescent girls who are developmentally delayed, and who have an average age at which they reached their adult height of 17.8 years and a sample variance of 77.4 years. You want to test the hypothesis that adolescent girls who are developmentally delayed have a different age at which they reached their adult height than all adolescent girls. Calculate the t statistic: t= (round to one decimal)
Fill in the blanks to complete the following statements. (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1 -p) 2 (D) Suppose the proportion of a population that has a certain characteristic is 0.3. The mean of the sampling distribution of p from this population is u. = (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1 - p) 2 (Type an integer or a decimal.)
Use the ALEKS calculator to solve the following problems. (a) Consider at distribution with 13 degrees of freedom. Compute P (t <-1.58). Round your answer to at least three decimal places. P(t<-1.58)= [ (b) Consider at distribution with 10 degrees of freedom. Find the value of c such that P(-c
Let x represent the hemoglobin count (HC) in grams per 100 milliliters of whole blood. The distribution for HC is approximately normal with μ = 14 for healthy adult women. Suppose that a female patient has taken 12 laboratory blood samples in the last year. The HC data sent to her doctor is listed below. We would like to know if the data indicates this patient has significantly high HC compared to the population. 14,19,16,14,19,19,14,21,17,17,14,17 Give the p-value and interpret the results. a) p = 0.0012; Based on 5% significance level, I will reject the null hypothesis and conclude this patient has a high HC level. b) p = 0.0012; Based on 5% significance level, I will fail to reject the null hypothesis and conclude this patient does not have a high HC level. c) p = 0.0023; Based on 5% significance level, I will reject the null hypothesis and conclude this patient has a high HC level. d) p = .1053; Based on 5% significance level, I will fail to reject the null hypothesis and…
Below are some frequency distribution data that were collected from a recent experiment that looks at musicians and their ability to improvise. Let’s say for the sake of this example that these are continuous data. X is the number of years playing piano, and f is the frequency reported. X f7 66 55 54 53 12 21 00 2 a. Compute the median number of years that participants reported playing the piano without using a formula.
Let x represent the hemoglobin count (HC) in grams per 100 milliliters of whole blood. The distribution for HC is approximately normal with μ = 14 for healthy adult women. Suppose that a female patient has taken 12 laboratory blood samples in the last year. The HC data sent to her doctor is listed below. We would like to know if the data indicates this patient has significantly high HC compared to the population. 22,17,20,17,17,14,16,21,15,21,15,22 Give the p-value and interpret the results. a) p = .1053; Based on 5% significance level, I will fail to reject the null hypothesis and conclude this patient does not have a high HC level. b) p = .0562; Based on 5% significance level, I will fail to reject the null hypothesis and conclude this patient does not have a high HC level. c) p = 0.0003; Based on 5% significance level, I will fail to reject the null hypothesis and conclude this patient does not have a high HC level. d) p = 0.0003; Based on 5% significance level, I will reject the…
I3D I3D 4. The table below gives the number of US Senators, from each party, spending federal dollars in each of three spending classes. The table is set up to help you calculate x? so there are blanks provided in addition to the data: a. Fill in the contingency tables for the Expected Frequencies (work to 2 decimal places): Spending Less than 6 to 11 Billion More than Party 6 Billion 11 Billion Republican 8 - 15 - 22 Democrat 12 - 16 - %3D - 6 b. Calculate the differences between the observed frequencies and the expected frequencies and fill in above. C. Calculate x and the degrees of freedom. Ans. Ans. d. Use this information to do a Chi Squared test to determine the validity of the claim that federal spending is independent of political party at the a =.05 level. Use the worksheet on the following page.
c) Consider the following table: i 1 2 3 4 5 6 7 8 9 10 R₁ 0.7329 0.9755 0.6761 0.0917 0.1584 0.2858 0.8564 0.3628 0.4337 0.5822 Assuming an M/M/1 setup, a service rate of 18 customers every 5 minutes, and a traffic intensity of 0.95 for a pdf characterized by the exponential distribution, compute the correpsonding variates.
Find the mean and standard deviation for each uniform continuous model.(Round "Mean" answers to 1 decimal place and "Standard deviation" answers to 4 decimal places. a. U(3, 13) b. U(90, 190) c. U(3, 99)
Construct a relative frequency marginal distribution. x1 x2 x3 Relative frequency marginal distribution y1 30 25 30 enter your response here y2 30 15 50 enter your response here Relative frequency marginal distribution enter your response here enter your response here enter your response here 1 (Round to three decimal places as needed.)
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esc ! Use the ALEKS calculator to solve the following problems. (a) Consider a t distribution with 9 degrees of freedom. Compute P(-1.15