10. In a poker hand consisting of 5 cards, find the probability of holding а. 3 асes b. 4 hearts and 1 club
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AS2. NO10. DATA ANALYSIS
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- As the leader of the sales team, you would like to increase the revenue brought by your team. You discovered a program for sales personnel that supposedly improve interpersonal skills and thus help settle deals with customers more often. You decide to send8 of your sales people for the training, and compare the amount they brought in sales in the month before they went and in the month after they received the training. The data are: Xbefore: 400, 300, 1200, 2100, 700, 450, 650, 3400 Xafter: 1000, 400, 1000, 2500, 1200, 600, 800, 3000 A. Identify the appropriate statistical measure to use. B. Conduct the test. Make a decision about the null hypothesis, interpret your results and calculate effect size if applicable. At ?=.05, can you report to upper management that the training worked? Or was it a waste of money? C. Calculate 95% confidence intervals for the estimate of the difference.Identify the type of data that would be used when the variable of interest is most-watched TV show.Please explain all work, including use of excel.
- To take a medical test and the doctor tells you that your wellness z-score is 1.86. What percent of the population is in worse health? a. -0.031 b. -0.969 c. 0.969 d. 0.031Calculate P(eating breakfast | age 14-17 )The Acme School of Locksmiths has been accredited for the past 15 years. Discuss how this information might be interpreted as a a. qualitative variable b. quantitative variable
- Solve using R calculator. Show all work.Data: 3.5, 3.2, 3.1, 3.5, 3.6, 3.2, 3.4, 2.9, 4.1, 2.6, 3.3, 3.5, 3.9, 3.8, 3.7, 3.4, 3.6, 3.5, 3.5, 3.7, 3.6, 3.8, 3.2, 3.4, 4.2, 3.6, 3.1, 2.9, 2.5, 3.5, 3.1, 3.2, 3.7, 3.8, 3.4, 3.6, 3.5, 3.2, 3.6, 3.8 Sketch a histogram with ranges of 0.1, from minimum (2.5) to maximum (4.2) values. Then sketch a histogram with ranges of 0.3. You can include the relative frequency scales on the same sketches.Rail ridership during the summer months in the North-East is believed to beclosely related to the number of tourists visiting the region. The following tableshows the data on the number of tourists and North-East ridership for the past16 years. (Answer in Excel showing formulas for answers)Year Tourists( in millions) Rail Ridership (in millions) 2000 9 2.32001 4 1.9 2002 7 1.7 2003 5 1.8 2004 12 2.8 2005 13 2.9 2006 14 2.42007 20 4.8 2008 7 1.3 2009 5 1.12010…
- The box plots below show how fast cars are travelling at a specific time of a day on highway I-5 and l-405 in King county. Fill in the blank. I-405 I-5 45 50 55 60 65 70 75 Speed (miles per hour) If Jay is driving at the median speed on l-5, he is driving faster than % of drivers on l-405.at 2 presented based on the Health Information National Trends Survey (HINTS) LALYSISWhat is the variable being examined for individuals in the population(s)? Amount of alcohol consumed by each person per year. Average number of Americans who consume alcohol. Amount of alcohol sold per year. Whether or not a person consumes alcohol. info: The average American consumes 100 liters of alcohol per year. Does the average college student consume less alcohol per year? A researcher surveyed 13 randomly selected college students and found that they averaged 85.7 liters of alcohol consumed per year with a standard deviation of 21 liters.
