Mr. Y quite often flies om town A to lown B. Hecan use the airport bus which costs Dollar. 13but if he takes it, there is a 0.08 chance that hewill miss the flight. A hotel limousine costsDollar 27 with a 0.96 chance of being on timefor the flight. For Dollar 50 he can use a taxiwhich will make 99 of 100 flights. If Mr. Ycatches the plane on time, he will conclude abusiness transaction which will produce aprofit of Dollar 1,000, otherwise he will lose it.Which mode of transportation should Mr. Yuse? Answer on the basis of EMV criterion.

Answered: Image /qna-images/answer/78271d77-d0e9-49e0-9c02-14626ffb1400.jpg

Answered: Mr. Y quite often flies om town A to…

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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MAKE SURE YOU SELECT 2 ANSWERS FOR THIS QUESTION - Type of test and hypothesis. Professor Ratzo wonders if rats will run a maze faster for some kinds of foods than for others. He randomly assigns 30 rats to one of three conditions, 10 rats to each condition. Group 1 gets buttered bread at the end of the maze, Group 2 gets cheddar cheese, and Group 3 gets honey- glazed ham. The number of seconds each rat took to run the maze is recorded. The hypothesis is that type of food makes a difference in rat running time. Choose the type of test you should use to test this hypothesis? Then choose the correct hypotheses in symbol notation (or words if symbol is not appropriate). Z-test O single sample t-test dependent t-test independent t-test Pearson correlation t-test ANOVA Chi-Square Goodness of Fit Test O Chi-Square Test of Independence O Ho: µ1 - P2 = 0 H1: P1 - P2 # 0 O Ho: H1 - P2 <0
Mr Hail, Miss rain and Mrs Snow all apply for a job as a park keeper. Whichever one gets the job will have to open the gates of the park at 5.30 am. If Mr Hail gets the job, he will only open the gates on time 50% of the time. If Miss rain gets the job she will only open the gates on time 40% of the time. If Mrs Snow gets the job she will always open the gates on time. Assume that Mr hail has a 40 % chance of getting the job, and that Miss rain and Miss Snow each have a 30 % chance of getting the job. What is the probability that the parks gates will be opened on time ? Question 39Select one: a. 0.6200 b. 0.3500 c. 0.2000 d. 0.3200 Refer to the question above. Using the same data, if the gates are opened on time, what is the probability that Mrs Snow got the job? Question 40Select one: a. 0.0857 b. 0.3429 c. 0.4839 d. 0.5061
A shoe company wants to determine if the new tread on its top line of running shoes lasts longer than the original tread. The company recruits 50 runners for a study. Each runner will perform their typical workout wearing one shoe with the original tread on one foot and another shoe with the new tread on the other foot. The foot that wears the new type of tread will be decided by flipping a coin. After one month, the runner will wear the new type of tread on the opposite foot. At the end of the second month, the difference in tread wear (New - Original) will be calculated. What type of sampling is described in this study? What is the appropriate inference procedure? one-sample t-test for μ one-sample z-test for p one-sample t-test for diff two-sample t-test for new original
A marketing firm wishes to test the effectiveness of the audio/visual presentation of certain information as opposed to the purely audio presentation of the information. To this end 100 volunteers were given a 10 minute presentation in which the information was presented in an audio/visual format. A second group of 100 volunteers was presented the same information in a purely audio format. Each person in each of the two groups was asked the same 20 questions related to the information in the presentation. The audio/visual group had an average of 10.5 correct responses with a sample standard deviation of 4. The purely audio group had an average of 9.4 correct responses with a standard deviation of 3. The marketing firm believes this means that the audio/visual format leads to better retention of the information. We test the hypotheses H0: 1 -2=0 versus Ha: 1 -2>0 at a 2% level of significance. Here denotes 1 the population average number of correct responses for…
Tony Soprano orders three of his henchmen to go and get cannolis. Silvo returns with bag A, which has two white vanilla cannolis. Paulie returns with bag B, which has two black chocolate cannolis. Christopher comes back with bag C, which has one white vanilla and one black chocolate cannoli. Tony reaches into one bag at random and takes a big bite of a white vanilla cannoli. Tony says, “Hey this is pretty good! Hey, Christopher, you just graduated from UWT. Did that Goda guy teach you anything? What are the odds the other cannoli in the bag I grabbed is a white vanilla cannoli?” Well Christopher, what do you say?
Johns friends give him a chance to choose an envelope out of three exactly same envelopes. John cannot see what's inside envelopes but he knows that one envelope contains a concert ticket and the other two contain postage stamps. After choosing the envelope but before opening it, John's friends open one of the other two envelopes revealing a postage stamp. Then, the friends give John an option to trade his box with the other unopened box. Should John swtich?
A shoe company wants to determine if the new tread on its top line of running shoes lasts longer than the original tread. The company recruits 50 runners for a study. Each runner will perform their typical workout wearing one shoe with the original tread on one foot and another shoe with the new tread on the other foot. The foot that wears the new type of tread will be decided by flipping a coin. After one month, the runner will wear the new type of tread on the opposite foot. At the end of the second month, the difference in tread wear (New – Original) will be calculated. What type of sampling is described in this study? What is the appropriate inference procedure? one-sample t-test for one-sample z-test for p one-sample t-test for two-sample t-test for
A marketing firm wishes to test the effectiveness of the audio/visual presentation of certain information as opposed to the purely audio presentation of the information. To this end 100 volunteers were given a 10 minute presentation in which the information was presented in an audio/visual format. A second group of 100 volunteers was presented the same information in a purely audio format. Each person in each of the two groups was asked the same 20 questions related to the information in the presentation. The audio/visual group had an average of 10.5 correct responses with a sample standard deviation of 4. The purely audio group had an average of 9.4 correct responses with a standard deviation of 3. The marketing firm believes this means that the audio/visual format leads to better retention of the information. We test the hypotheses H0: 1 -2=0 versus Ha: 1 -2>0 at a 2% level of significance. Here denotes 1 the population average number of correct responses for…
The past records of a supermarket show that its customers spend an average of $110 per visit at this store. Recently the management of the store initiated a promotional campaign according to which each customer receives points based on the total money spent at the store, and these points can be used to buy products at the store. The management expects that as a result of this campaign, the customers should be encouraged to spend more money at the store. To check whether this is true, the manager of the store took a sample of 14 customers who visited the store. The following data give the money (in dollars) spent by these customers at this supermarket during their visits. 106.13 107.43 124.68 124.88 101.17 72.75 85.45 86.05 100.4 98.84 101.63 95.56 89.40 119.52 Assume that the money spent by all customers at this supermarket has a normal distribution. Using a 2.5% significance level, can you conclude that the mean amount of money spent by all customers at this supermarket after the…

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