The recidivism rate for convicted sex offenders is 16%. A warden suspects that this percent is higher if thesex offender is also a drug addict. Of the 304 convicted sex offenders who were also drug addicts, 55 ofthem became repeat offenders. What can be concluded at the a = 0.10 level of significance?a. For this study, we should use z-test for a population proportion vb. The null and alternative hypotheses would be:Но: | ру0.16(please enter a decimal)%3D=o 0.16H1: p v(Please enter a decimal)c. The test statistic z v(please show your answer to 3 decimal places.)d. The p-value =(Please show your answer to 4 decimal places.)e. The p-value is > vf. Based on this, we should fail to rejectthe null hypothesis.g. Thus, the final conclusion is that ...O The data suggest the populaton proportion is significantly higher than 16% at a = 0.10, sothere is statistically significant evidence to conclude that the population proportion ofconvicted sex offender drug addicts who become repeat offenders is higher than 16%.O The data suggest the population proportion is not significantly higher than 16% at a = 0.10, sothere is statistically significant evidence to conclude that the population proportion of

From the given What is the Alternative hypothesis Test statistic (z ) =? P value = ?

Answered: H1: p v (Please enter a decimal) c. The…

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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Penalty Shots in World Cup Soccer A study¹ of 138 penalty shots in World Cup Finals games between 1982 and 1994 found that the goalkeeper correctly guessed the direction of the kick only 41 % of the time. The article notes that this is "slightly worse than random chance." We use these data as a sample of all World Cup penalty shots ever. Test at a 5 % significance level to see whether there is evidence that the percent guessed correctly is less than 50 % . The sample size is large enough to use the normal distribution. The standard error from a randomization distribution under the null hypothesis is SE= 0.043. 1St.John, A., "Physics of a World Cup Penalty-Kick Shootout - 2010 World Cup Penalty Kicks," Popular Mechanics, June 14, 2010.
What's the t= ? And the p-value?
A. Determine the coefficient of determination, r2, and interpret its meaning. (Fill in the Blank) r2 = ___? (Round to four decimal places as needed.) B. What is the meaning of the coefficient ofdetermination? (Choose Below) A. It measures the variability in the actual plate gap from the predicted plate gap. B. It measures the variability in the actual tear rating from the predicted tear rating. C. It is the proportion of the variation in the plate gap that is explained by the variability in the tear rating. D. It is the proportion of the variation in the tear rating that is explained by the variability in the plate gap. C. Determine the standard error of the estimate. SYX = ___? (Round to four decimal places asneeded.)
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For letter B please plug in the number 6
Saved Help Save There are four radio stations in Midland, The stations have different formats (hard rock, classical, country and western, and easy listening), but each is concerned with the number of minutes of music played per hour. From a sample of 10 hours from each station, the following sample means were offered: X = 52.77 X = 50.56 a. Determine SST. (Round the final answer to 3 decimal places.) X; = 45.76 X = 48.58 ss total - 647.000 84 SST = b. Determine SSE. (Round the final answer to 3 decimal places.) SSE c. Complete an ANOVA table. (Round the Ss, MS, and Fvalues to 3 decimal places.) ANOVA Source of DF Variation Treat Error Total The following hypotheses are given. Ho: H1=42 - H3 - 4 H: The means are not all equal. d. State the decision rule for 0.05 significance level. (Round the final answer to 2 decimal places.) Reiect Ho if F>
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目 Video To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Manufacture 3 18 30 24 27 24 18 21 30 27 18 27 18 a. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Error Mean Squares, Error Fisher's LSD Value b. Use Fisher's LSD procedure to develop a 95% confidence interval estimate of the difference between the means for manufacturer 1 and manufacturer 2. Round to two decimal places. Enter negative values as negative numbers. to Hide Feedback

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H1: p v (Please enter a decimal) c. The test statistic zv = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.)