A statistics student randomly selected 45 packets of sugar and weighed the contents of each packet, getting a mean of3.586 grams and a standard deviation of 0.194 grams. Test the claim that the weights of the sugar packets have a meanno longer equal to 3.5 grams, as indicated on the label. Let "alpha" be 0.10 to test this claim.What is the "decision rule" for the test if you are using the traditional method? Label and shade the picture belowaccurately to help you answer this question.("TS" means the test statistic value)O A. Reject the Null Hypothesis if TS 1.679O B. Reject the Null Hypothesis if TS < - 1.679OC. Reject the Null Hypothesis if TS < – 1.684 or TS 1.684O D. Reject the Null Hypothesis if TS < -1.65 or TS 1.65Save All AnswersSave arClick Save and Submit to save and submit. Click Save All Answers to.save all answers.44*F ^回ロaO Type here to search2)10/05/17EscF1F2PrtScInsertDeleteF3F4F6F6F7F8F9F10F11F12%23&23457080BackspaceNucLoWRTab+IICO%24E.

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Answered: A statistics student randomly selected…

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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Almost everyone who regularly drives his or her car in a large North American City agrees that traffic is getting worse. A randomly selected sample of 100 cars had their speeds measured on a freeway during rush hour. The sample mean is 17.2 mph (miles per hour). Traffic engineers determined that two years ago the mean and standard deviation of speeds on the same freeway during rush hour were 18.6 and 6.2 mph, respectively. Q6. Find the p-value of the test to determine how much evidence exists to support the generally held belief that traffic is getting worse. (Assume that the standard deviation of speeds today is unchanged from that of two years ago)
Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find P61, the 61-percentile. This is the temperature reading separating the bottom 61% from the top 39%. P61 = °C Submit Question
Using the Empirical Rule, complete the following: The weights of healthy kittens is normally distributed with a mean of 24.5 and a standard deviation of 2.5. 1. Find percentage of kittens with weights between 22 and 27. 2. Find percentage of kittens with weights greater than 27. 3. Find the kitten weight corresponding to 50th percentile. 4. Find the kitten weight corresponding to the 16th percentile. 5. Find the kitten weight corresponding to the 84th percentile.
Consider a value to be significantly low if its z score less than or equal to minus2 or consider a value to be significantly high if its z score is greater than or equal to 2.A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.42245 g and a standard deviation of 0.05893 g. Identify the weights that are significantly low or significantly high.What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. A. Weights that are between nothing and nothing. (Round to five decimal places as needed. Use ascending order.) B. Weights that are greater than nothing. (Round to five decimal places as needed.) C. Weights that are less than
Based on data from a college, scores on a certain test are normally distributed with a mean of 1531 and a standard deviation of 324. Complete part below. b. Find the percentage of scores less than 1401.
I can’t figure out formula or answer for bone density
Use z-scores to make the following comparison. A high school student took two college entrance exams, scoring 1110 on the SAT and 27 on the ACT. Suppose that SAT scores have a mean of 950 and a standard deviation of 130 while the ACT scores have a mean of 22 and a standard deviation of 4. Assuming the performance on both tests follows a normal distribution, determine which test the student did better on.
Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find Pg9, the 69-percentile. This is the temperature reading separating the bottom 69% from the top 31%. P69 = °C
A set of population data has a mean of 586 and a standard deviation of 54.8. Calculate the z-score for a data point that has the value 607.9. Round your answer off to 2 decimal places.
solve
Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.62152 g and a standard deviation of 0.05197 g. Identify the weights that are significantly low or significantly high. What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are greater than . (Round to five decimal places as needed.) (Round to five decimal places as needed.) B. Weights that are less than C. Weights that are between and. (Round to five decimal places as needed. Use ascending order.)
Fill in the Blanks Type your answers in all of the blanks and submit 11. Perform the following.05 level test: Ho: u = 20.4 vs. Ha: µ < 20.4, given a sample of 10 pieces of data had a mean of 18.8 and a standard deviation of 3.4. What is your data value (test statistic) to 3-decimal places? Type your answer here Write out the exact same data value again to 3-decimal places. Type your answer here What is your chart number (that seperates Reject and Fail to Reject)? Type your answer here 8. MacBook Air

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