Ar- S- e 79. Mr. X is on a point to decide whether to stock paddy or rice. If he stocks paddy and if it is a success. He hopes that he can profit Rs. 10,000 and if it is a flop, he will lose Rs. 2,000. If he stocks rice and if it is a success, he
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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 <0A 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 originalScenario1: You have an 81% in the course. You take a final exam that is worth 50% of your final grade. You score a 70% on the final exam. What is your final grade in the course?
- Dario purchased a party size sub, and he decides to share it with 3 of his friends. So, he cuts the sub into 4 equal pieces. However, another one of his friends also showed up, and there are now 5 people in total. Part A Now that the sub will be shared equally among 5 people, will each person get more or less sub? Briefly state why you think so. Part B Dario decides to take each one of the 4 pieces and share it equally among the 5 of them. First, he divides one piece into 5 equal parts and shares it, then the next one, and so on. What fraction of the party size sub did each person get after all the parts were shared out? Briefly explain your reasoning.A student is working full-time (at least 40 hours a week) and is also starting their first semester of college. This student wants to maintain a high GPA and graduate as soon as possible. How many credits hours should the student take? Group of answer choices No more than 16-credit hours No more than 13-credit hours No more than 10-credit hours No more than 7-credit hours23) Max and Jill both uses quarters to fill a parking meter. Max's parking meter is for 2 hours and Jill's parking meter is for 1 hour and 30 minutes. Max goes into a store and when he comes back, he sees that his parking meter has 4 of the time left. Jill goes for a run and when she comes back she sees that her parking meter has 4 of the time left. Who has more time left? By how many minutes?
- 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 forAvi and Benita are playing a game. They both start at 100 points (round 0). • At the end of each round, Avi earns 500 points. • At the end of each round, Benita's points double. At the start of what round will Benita take the lead? By how many points? Round 6, 600 points Round 6, 500 points Round 5, 500 points Round 5, 600 pointsIn part (a) what is the largest number of caramels that Brenda ca you play your strategy guaranteeing the peppermint patty? 6. Along the coast there are 3 lighthouses, whose lights can be seen blinking at night by sailors near the shore. The first light shines for 3 seconds then is off for 3 seconds and repeats. The second light shines for 4 seconds then is off for 4 seconds and repeats. The third light shines for 5 seconds then is off for 5 seconds and repeats. All three lights have just come on together. (a) When is the first time the three lights will all be off at the same time? (b) When is the next time all three lights will come on at the same moment? (c) For a sailor off-shore, how many "light-on" blinks will she see between the two times all three come on together? Note: Parts (a) and (b) of this problem are found in the homework of school children ages 7-11 in the U.K. In May, 2018 the Daily Mail reported on this problem: "Ridicu- lous maths problem intended for PRIMARY…
- Researchers want to know if coffee improves athletic endurance. They randomly assign 50 people to drink a cup of coffee, and 50 people to not drink coffee. Then all participants are asked to walk on a treadmill until they get tired. Researchers hypothesize that coffee drinkers will show more athletic endurance and walk on the treadmill for longer than non-coffee drinkers. What statistical test should researchers use to test their hypothesis? O At-test A chi-square O A Pearson correlation An ANOVAYou play a game with two six-sided dice. If you roll a sum of 3 or 8 you win ₱600 and if you roll a sum of 10,you win ₱400. However, you lose ₱500 if you roll for anything else. If you continue to play the game, howmuch do you expect to win or lose in the game? Show complete solution.