N ONNO2The rejection region is(Ho: u= HoHa: uHo(iii)Use a 2%.422The rejection region isny class

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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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A clinical microbiology laboratory compared the frequency of isolation of DNA hybridization probe to a culture method for the sexually transmitted bacterium Neisseria gonorrhaeae. The frequency of isolation from clinical specimens was historically 10%. The lab ran 100 split samples, and the results are presented in the table below. Table. Comparison of the Distribution of Negative and Positive Results for the DNA Probe and Culture Methods. Culture Results DNA Probe Results Positive (D) Negative (D-) Positive (T) 8 4 Negative (T-) 2 92 What is the sensitivity of the test? I choose c wouldn't the sensitivity been 0.02 ? or my calculations is wrong A. 0.88 or 88% B. 0.8 or 80% C. 0.02 or 2% D. 0.81 or 81%
Service Good The table shows the results of a restaurant survey. Find the probability P(Y'|B'). Service Great Service Okay Meal (A) (B) (C) Lunch (X) Dinner (Y) Total 818 37 45 33 19 14 47 56 59 80 80226 Service Poor (D) Total 25 140 122 67 262 P(Y'B') (Simplify your answer. Type an integer or a simplified fraction.)
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Weight Gain of Athletes A researcher wishes to see whether there is any difference in the weight gains of athletes following one of three special diets. Athletes are randomly assigned to three groups and placed on the diet for 6 weeks. The weight gains (in pounds) are shown here. At a=0.005, can the researcher conclude that there is a difference in the diets? Diet A: 3, 4, 5, 6 Diet B: 12, 13, 14, 6, 7, 8 Diet C: 3, 4, 5 ,6 Part 2. State the hypotheses and identify the claim with the correct hypothesis. Part 3. Compute the test value. Always round score values to two decimal places. Part 4. Find the -value. Round the answer to four decimal places. Part 5. Reject or not to reject the null hypothesis.
5 The income of one policy holder is 69 ($1,000) The predicted life insurance policy is _______ ($1,000) a 263.578 b 274.561 c 286.001 d 297.917
Fuming because you are stuck in traffic? Roadway congestion is a costly item, both in time wasted and fuel wasted. Let x represent the average annual hours per person spent in traffic delays and let y represent the average annual gallons of fuel wasted per person in traffic delays. A random sample of eight cities showed the following data. x (hr) Y (gal) 26 5 21 47 3 31 18 24 18 5 38 36 28 9 55 35 A USE SALT (a) Draw a scatter diagram for the data. Graph Layers After you add an object to the graph you 60 can use Graph Layers to view and edit its properties 46 30 as Ne Solutien 20 16 40 18 20 WebAssign. Graphing Tool Verify that Ex = 155, Exr? = 3835, Ly = 244, Ey² – 9590, and Exy = 6021. Compute r. (Round your answer to four decimal places.) 0.9698 The data in part (a) represent average annual hours lost per person and average annual gallons of fuel wasted per person in traffic delays. Suppose that instead of using average data for different cities, you selected one person at random…
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q5 part 2
Victims of Violence A random survey of 86 women who were victims of violence found that 20 were attacked by relatives. A random survey of 54 men found that 6 were attacked by relatives. At α=0.10, can it be shown that the percentage of women who were attacked by relatives is different from the percentage of men who were attacked by relatives? Use p1 for the proportion of women who were attacked by relatives. Use the P-value method with tables. State the hypotheses and identify the claim with the correct hypothesis. H0: claim/do not claim? H1: claim/do not claim? This hypothesis test is one tailed/two tailed? Compute the test value. Round all intermediate steps to four decimal places and always round z score values to tow decimal places. Z= Compute the P-value. Round the answer to four decimal places. P -value = Make the decision. Reject/do not reject the null hypothesis. Summarize the results. There is/ is not enough evidence to support the claim t
coffee extraction One student dissolved 20mg of caffeine in 20mL of water. The student carried out two extractions using 20mL of dichloromethane in each. Caffeine solubility in water: 2.17g / 100mL at 25C Caffeine solubility in dichloromethane: 10.0g / 100mL at 25C a. Determine the distribution coefficient. b. Determine the amount of caffeine obtained in the first extraction. c. Determine the amount of caffeine obtained in the second extraction. d. Determine the total amount of caffeine extracted during the entire process. e. Determine the percent recovery.

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N O N NO 2 The rejection region is (Ho: u= Ho Ha: uHo (iii) Use a 2% . 4 2 2 The rejection region is ny class