(Problem for Questions 22- 25). In a study focusing on children on the autism spectrum ateam of psychologists were interested in the distribution of the children on the spectrum. Afterhaving 100 children complete some tests, they categorized children as Low, Medium, High onthe autism spectrum. They counted how many children were in each category and this is whatthey came up with:Low AS44Medium AS30High AS26 The psychologists were expecting to get an equal number of children in each category andwanted to test for this type of distribution. State the hypothesis for this test? (Include astatement for both Ho and H1)

Name: (Problem for Questions 22- 25). In a study focusing on children on th
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Description: (Problem for Questions 22- 25). In a study focusing on children on the autism spectrum ateam of psychologists were interested in the distribution of the children on the spectrum. Afterhaving 100 children complete some tests, they categorized childre

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The psychologists were expecting to get an equal number of children in each category and wanted to test for this type of distribution. State the hypothesis for this test? (Include a statement for both Họ and H1)

The psychologists were expecting to get an equal number of children in each category and wanted to test for this type of distribution. State the hypothesis for this test? (Include a statement for both Họ and H1)

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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Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Negative test result Drug Use Is Indicated Drug Use Is Not Indicated Subject Uses Drugs 42 11 Subject Is Not a Drug User 2 29 The probability of a false positive test result is (Round to three decimal places as needed.) Who would suffer from a false positive result? Why? O A. The person tested would suffer because he or she would be suspected of using drugs when in reality he or she does not use drugs. B. The employer would suffer because the person tested would not be suspected of using drugs when in reality he or she does use drugs. C. The person tested would suffer because he or she would not be suspected of using drugs when in reality he or she does use drugs. D. The employer would suffer…
. In an organization consisting of 5 women and 10 men, a committee of four individuals is to be selected at random from the 15 people. Find the distribution of the random variable, X = Number of women on the committee.
A salesman makes initial telephone contact with potential customers in an effort to assess whether a follow-up visit to their homes is likely to be worthwhile. His experience suggests that 40% of the initial contacts lead to follow-up visits. Suppose he contacts 100 people by telephone and the sample proportion of the follow-up visit is calculated. Which of the following statements is (are) correct? This is a multiple-answer question. It may have more than one correct answers. i. The sample proportion has a normal distribution with a mean of 0.40 and a standard deviation of 04x0.4 = 0.049. 100 Oil. The sample proportion has a normal distribution with a mean of 0.40 and a standard deviation of 0.6. iii. The probability that the sample proportion of the follow-up visit is more than 50% is P(p>0.5) = P(z>04-05)=P(z>-2.04) = 1-0.0207 = 0.9793. iv. The probability that the sample proportion of the follow-up visit is more than 50% is P(p>0.5)=P(2> 05 = P(Z > 2.04) = 1-0.9793= 0.0207.…
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Participants in an experiment are asked to flip a fair coin and report the outcome. If they report H, they receive $10. If they report T, they receive $O. The experimenter observes that 70% of 1000 reports are H. How does this experiment provide evidence against or in favour of lying aversion? Please answer in at most three sentences.
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Refer to the following scenario. A government official is in charge of allocating social programs throughout the city of Vancouver. He will decide where these social outreach programs should be located based on the percentage of residents living below the poverty line in each region of the city. He takes a simple random sample of 120 people living in Gastown and finds that 21 have an annual income that is below the poverty line. For each of the following statements, specify whether the statement is a correct interpretation of the 95% confidence interval for the true proportion of Gastown residents living below the poverty line. A. 17.50% (21/120) of Gastown residents are living below the poverty line. ? B. There is a 95% probability that the true proportion of Gastown residents who are living below the poverty line equals 21/120. C. If another random sample of 120 Gastown residents is drawn, there is a 95% probability that the sample proportion of Gastown residents who are living below…
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You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies:HoHo : pA=0.2pA=0.2; pB=0.3pB=0.3; pC=0.2pC=0.2; pD=0.3 Complete the table. Category ObservedFrequency ExpectedFrequency SquaredResidual A 21 B 25 C 21 D 16
-1 A.; B.; or C. ? 0 Z-distribution = 130 (approximately) 1 ABC + 2 3 Consider the figure above. A scientist tried performing an experiment with the following sample size: 3,5, and 20. Based from the figure, which of the following distribution is most likely for 20 sample size?