1. calculate the expected value of random variable X 2. calculate the variance of random variable X 3. calculate the expected value of random variable Y 4. calculate the variance of the random variable Y
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1. calculate the expected value of random variable X
2. calculate the variance of random variable X
3. calculate the expected value of random variable Y
4. calculate the variance of the random variable Y
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- The table below shows the alcohol consumption per capita for seventeen high-income countries in 2014according to https://ourworldindata.org. Country Liters of Alcohol Consumption per Capita in 2014Australia 7.3Austria 10.4Belgium 9.6Canada 6.7Denmark 8Finland 6.9France 9.2Germany 9.6Italy 6.1Japan 5.6Netherlands 7.4New Zealand 6.4Norway 6.3Sweden 6.1Switzerland 8.3United Kingdom 8United States 7 1) Calculate the mean, median, mode, and standard deviation of the liters of alcohol consumption per capita forthese 17 countries. Use your TI-84 calculator or Excel as necessary. If you calculate them by hand, includeyour work (neatly written on a separate sheet of paper!!). If you use Excel,…The file MidCity Download MidCitycontains data on 128 recent sales in Mid City. For each sale, the file shows the neighborhood (1, 2, or 3) in which the house is located, the number of offers made on the house, the square footage, whether the house is made primarily of brick, the number of bathrooms, the number of bedrooms, and the selling price. Neighborhoods 1 and 2 are more traditional neighborhoods, whereas neighborhood 3 is a newer, more prestigious neighborhood. Part A) Do buyers pay a premium for a brick house, all else being equal? Use one Excel spreadsheet labeled Prob3a to show your work for this problem. Part B) Is there a premium for a house in neighborhood 3, all else being equal? Use one Excel spreadsheet labeled Prob3b to show your work for this problem. Home Nbhd Offers Sq Ft Brick Bedrooms Bathrooms Price 1 2 2 1790 No 2 2 228600 2 2 3 2030 No 4 2 228400 3 2 1 1740 No 3 2 229600 4 2 3 1980 No 3 2 189400 5 2 3 2130 No 3 3 239600 6 1 2 1780 No 3 2 229200…The professionals who analyze data from social media and provide insights about customers are in _______. Group of answer choices digital marketing marketing analytics event marketing merchandising
- I want example of last-come first-served (LCFS)Ross White recently opened a landscaping division , that advises home owners and businesses on landscaping and lawn maintenance. The operations manager, Ms. Priya Johnson, is trying to determine the amount of fertilizer that should be applied to a particular lawn in a residential area in San Juan. Ms. Johnson’s analysis has determined that the lawn needs at least 60kg of Nitrogen, 24kg of Phosphorous compounds and 40kg of Potassium compounds for the current season. After checking nearby home and garden centres, Ms. Johnson has found that one of the suppliers is currently having a sale on packaged fertilizer. One type on sale called Xynis, is a 20-5-20 mixture, containing 20% Nitrogen, 5% phosphorous compounds and 20% potassium compounds. It sells at $4 for a 20kg bag. The other type called Yield-all is a 10-10-5 mixture (10% Nitrogen, 10% phosphorous compounds and 5% potassium compounds) selling for $5 for a 40kg bag. Ms. Johnson would like to know how many bags of each type she…Arianna Estefan manages Salmon Falls Park, which has two flagship roller coasters, the Flyer and the Destroyer. When Arianna walks around the park during hours of operation, she notices that there are fewer people waiting in line for the Flyer than for the Destroyer. Since both roller coasters have similar capacities and similar run times, both roller coasters should have about the same number of riders. Based on the anecdotal evidence, Arianna claims that the population mean number of riders per hour on the Flyer is less than the population mean number of riders per hour on the Destroyer. Arianna reviews data collected in the past and assumes that the population standard deviation is 48.29 for the Flyer and 51.86 for the Destroyer. Arianna randomly selects hours during which the attendant of each ride counts the number of riders. The sampling occurs over the course of several weeks. The results are provided in the table shown below. Assuming the conditions needed for the hypothesis…
- Arianna Estefan manages Salmon Falls Park, which has two flagship roller coasters, the Flyer and the Destroyer. When Arianna walks around the park during hours of operation, she notices that there are fewer people waiting in line for the Flyer than for the Destroyer. Since both roller coasters have similar capacities and similar run times, both roller coasters should have about the same number of riders. Based on the anecdotal evidence, Arianna claims that the population mean number of riders per hour on the Flyer is less than the population mean number of riders per hour on the Destroyer. Arianna reviews data collected in the past and assumes that the population standard deviation is 48.29 for the Flyer and 51.86 for the Destroyer. Arianna randomly selects hours during which the attendant of each ride counts the number of riders. The sampling occurs over the course of several weeks. The results are provided in the table shown below. Assuming the conditions needed for the hypothesis…Please answer the A Study was conducted by the Department ty!!!Suppose 60 percent of the customers at Pizza Palooza order a square pizza, 80 percent order a soft drink, and 48 percent order both a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square pizza?
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