Suppose a new production method will be implemented if a hypothesis test supports the conclusion that the new method reduces the mean operating cost per hour.a. State the appropriate null and alternative hypotheses if the mean cost for the current production method is $225 per hour.Ho:Select your answer225H.Calect your answer-225lot AnsweredD: WlacTS Tne Type I error in this situation?Claiming -Select your answerv225 when the new methodSelect your answer -V lower costs.What are the consequences of making this error?A mistake could be implementing the method when itSelect your answerv help.c. What is the Type II error in this situation?Claiming #Select your answerv 225 when the new methodSelect your answer-v | lower costs.What are the consequences of making this error?This could lead to not implementing a method thatSéléct your answer -Vlower costs.0=Icon KeyExercise 09.08 Algo (Type I and Type II Errors)ahp12hof7+11510&%23%24

Given Information: The mean operating cost per hour for the current production method is $225.…

Answered: Suppose a new production method will be…

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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11 12 13 A hypothesis test is to be performed. Determine the null and alternate hypotheses. In 1994, the average duration of long-distance telephone calls originating in one town was 7.1 minutes. A long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long-distance phone calls has changed from the 1994 mean of 7.1 minutes. Hoiu =7.1minutes H:p>7.1minutes Ho =7.1minutes H,:µ z7.1minutes Hpz7.1minutes H, :µ=7.1minutes Ho:u =7.1minutes H:µ <7.1mlnutes Submit Assignme Continue O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessib SAMSUNG $ % %23 8. 6
Pre (out of 100) Final (out of 200) Individual 63 130 1 Individual 80 137 2 Individual 56 139 3 Individual 17 116 4 Individual 54 153 Sample Мean 54 135 STD DEV 23.0759615 13.5092561
O1h 29m Remaining 8.MCTQ Section Exercise 1 A hypothesis test is to be performed. Determine the null and alternate hypotheses. dlo In 1991, the average duration of long-distance telephone calls originating in one town was 6.9 minutes. A long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long-distance phone calls has changed from the 1991 mean of 6.9 minutes. Ho:u = 6.9minutes Hu 6.9minutes Ho:µ=6.9minutes H:u + 6.9minutes Ho:µ +6.9minutes H:µ=6.9minutes Submit Assignment O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy S6 5/2 nere to search hp delete
Use the six steps of hypothesis testing to answer the following question. Remember to determine if the problem is a Z test or T test as that will influence your critical value. You believe you have discovered a topical solution that heals wounds faster. The average number of days it takes to remove stiches after surgery in all hospital patients is 12. In a sample of 29 patients the average number of days to remove stiches is 10.5 with a std dev. Of 1.2 Did your solution lessen the number of days patients had stiches
Fertilizer: A new type of fertilizer is being tested on a plot of land in an orange grove, to see whether it increases the amount of fruit produced. The mean number of pounds of fruit on this plot of land with the old fertilizer was 391 pounds. Agriculture scientists believe that the new fertilizer may increase the yield. State the appropriate null and alternate hypotheses. The null hypothesis is Ho:μ (choose one) and Answers The alternate hypothesis is H1:μ (choose one) and Answers
The proportion of defective items is not allowed to be over 12%. A buyer wants to test whether the proportion of defectives in his shipment of 1000 items exceeds the allowable limit. The buyer takes a SRS of 100 items and finds that 19 are defective. State the null and alternative hypotheses for this test. Group of answer choices Ho: p = 0.12 vs Ha: p > 0.12 Ho: p = 0.19 vs Ha: p ≠ 0.12 Ho: p = 0.12 vs Ha: p < 0.19 Ho: p = 0.12 vs Ha: p = 0.19
I know the answer between choice I) and choice II) is: I) But why is it choice I)?
The proportion of people who live after fighting cancer is 0.75. Suppose there is a new therapy that is used to increase the survival rate. Use the parameter p to represent the population portion of people who survive after fighting cancer. For a hypothesis test of the therapy’s effectiveness, researchers use a null hypothesis of p = 0.75. Pick the correct alternative hypothesis. 1. p > 0.75 2. p < 0.75 3. p 6= 0.75
8)
Describe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.40, but you fail to reject Ho: p20.40. OB. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.40, but you reject Ho: p20.40. OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40. OD. A type I error will occur when the actual proportion of new customers who return to buy their next piece f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40. Describe the type II error. Choose the correct answer…

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