uppose 6 yellow and 7 red identical objects are in a jar. A lindfolded person randomly selects two of these objects from the jar one fter another, without replacing them back into the jar. The following tree iagram depicts all the possible random outcomes, but the branch robabilities are missing. C Yellow
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- The owner of a small pet supply store wants to open a second store in another city, but he only wants to do so if more than one-third of the city's households have pets (otherwise there won't be enough business). He samples 150 of the households and finds that 64 have pets. Reference: 4-11-StepByStepNo Tech Describe how you would generate a single randomization sample in this situation, and identify (using the appropriate notation) the sample statistic you would record for each sample.DO THIS TYPEWRITTEN FOR UPVOTECH420 Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 94 people in the 18-21 age bracket and finds that 80 of them respond and 14 refuse to respond. When 290 people in the 22-29 age bracket are contacted, 272 respond and 18 refuse to respond. Assume that 1 of the 384 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket OR someone who agreed to respond.Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.prob =
- A bar offers alcoholic and non-alcoholic beverages. They have 12 alcoholic beverages that cost $10 or more, and 5 alcoholic beverages that cost less than $10. They also have 5 non-alcoholic beverages that cost $10 or more, and 10 non-alcoholic beverages that cost less than $10. Suppose I choose a drink at random from the menu. What is the chance that it is alcoholic, given that costs $10 or more? Choose the answer that is closest. Group of answer choices 70.6% 33.33% 37.5% 20.5%G Google M Gmail YouTube Maps Consider the students in your statistics class as the population and suppose they are seated in four rows of 10 students each. To select a sample, toss a coin. If it comes up heads, you use the 20 students sitting in the first two rows as your sample. If it comes up tails, you use the 20 students sitting in the last two rows as your sample. (a) Does every student have an equal chance of being selected for the sample? Explain. O No, the coin flip does not ensure an equal chance of being selected. O Yes, your seating location and the randomized coin flip ensure equal chances of being selected. O No, your seating location does not ensure an equal chance of being selected. O Yes, your seating location ensures an equal chance of being selected. (b) Is it possible to include students sitting in row 3 with students sitting in row 2 in ypur sample? O Yes, it is possible with this described method of selection. O No, it is not possible with this described method of…2.2 In the television program "Big Sisters," 12 candidates remain. The public chooses four candidates for the final round. Each candidate has an equal probability of being chosen. The Gotham Echo reckons that the local heroine, Stella Stone, has a probability of 38.5% of getting through to the final: they give her a probability of being chosen first, a + probability of being chosen second, a probability of being chosen third, and a probability of being chosen fourth. Is this calculation correct?
- E Question He 1.6.25 Assume that a hat contains four bills: a $1 bill, a $10 bill, a $20 bill, and a $50 bill. Each bill is equally likely to be selected. Two bills are to be selected at random with replacement. Construct a sample space and determine the probability that both bills are $1 bills. OA. О в. 10 20 10 20 50 50 10 20 10 50 Which of the figures illustrates the tree diagram for the sample space? Choose the correct answer on the right. 10 20 50 10 50 10 20 50 10 50 20 10 50 20 50 c. O D. 20 50 10 20 20 10 10 50 50 20 10 20 50 Click to select your answer and then click Check Answer. part remaining Clear All Check Answer 20 1. 2034 Probab 12. A bag contains two red. two yellow, and three blue balls. In an experiment, one ball is drawn from the bag and its color is noted, and then a second half is drawn and its color noted, (i) Draw a tree diagram for this experiment. (ii) How many outcomes are there in the sample space? Gii) What are the outcomes in the event, "two balls of the same color are selected"? tonr Otherwisa theLiam's bowl of spaghetti contains n strands. He selects two ends at random and joins them together. He does this until there are no ends left. What is the expected number of spaghetti hoops in the bowl?
- In the table below, the distribution of employees in a business according to their gender and whether they are university graduates is given. QI Gender College graduate Not college graduate Total Male Female 7 20 27 4 9. 13 Total 11 29 40 If one of the employees is randomly selected for the worker management council, what is the probability that the chosen one is a woman and a University (College) graduate? Solve this problem using the Venn diagram. a.Solve the problem using a tree diagram (flowchart). b. Construct the second solution with Venn diagram. c. Similarly, when the events "Male (M) and “Not graduated from university (N) are also taken into account, calculate the following probabilities using the table. P(Mn G), P(Mn N), P(F ON). (Note: For solution (F) for female, for university graduate(G) "Female (F) and "University graduate(G), not university graduate (N), Male (M) events will be recognized, and using other symbols will not be considered valid for the solution.A. 8.33%B. 2 timesC. 66.67%D. 16 timesA study examines whether alcohol affects driving ability. twelve prople play a driving sim game. then the same 12 people are given enough alcohol to exceed the legal likit and play the game again. the researchers compares how many accidents ppl had while sober and after drinking What test would you use and why? (z test, independent t test, single sample t test, paired samples)