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- Using the probabilities and states given, what percentage of the population will likely be employed two months from now? (Enter numerical value only. Do not enter % sign. Round the percentage to 1 decimal place, or to the nearest tenth of a percent.)Suppose that we are looking at the behaviour of two stocks listed on the New York Stock Exchange Stock and Stock B to observe whether over a given interval, the prices of the stocks increased, decreased, or stayed the same. The information is given in the following table. Stock A Stock B No Increase Decrease Change A1 A2 АЗ Increase B1 0.11 0.01 0.03 No B2 0.21 0.15 0.04 Change Decrease B3 0.18 0.12 0.15 Find the probability that the price of stock A will not decrease, given that the price of stock B increases. Answer:Q19. Labor trends were recently studied using a survey of respondents who were either unemployed (A) or employed (B). The survey results revealed that among those surveyed, 70% of those currently unemployed gain employment within the following month, and 30% remain unemployed. Meanwhile, 80% of those currently employed maintain employment through the following month, and 20% become unemployed. Suppose 75% of the population is currently employed. 0.3 A 0.7 Ⓡ B 0.8 0.2 Using the probabilities and states given, what percentage of the population will likely be employed two months from now? (Enter numerical value only. Do not enter % sign. Round the percentage to 1 decimal place, or to the nearest tenth of a percent.) (Ctrl)
- Draw a scatter diagram for the data and determine by inspection if there exists an approximate linear relationship between Y and X. Approximately draw a straight-line between the plotted values. State the general relationship between Y and disposable X in1.exact linear form 2. stochastic form.Q19. Labor trends were recently studied using a survey of respondents who were either unemployed (A) or employed (B). The survey results revealed that among those surveyed, 70% of those currently unemployed gain employment within the following month, and 30% remain unemployed. Meanwhile, 80% of those currently employed maintain employment through the following month, and 20% become unemployed. Suppose 70% of the population is currently employed. 0.3 A 0.7 0.2 O B 0.8 Using the probabilities and states given, what percentage of the population will likely be employed two months from now? (Enter numerical value only. Do not enter % sign. Round the percentage to 1 decimal place, or to the nearest tenth of a percent.)Question list Question 6 Question 7 Question 8 O Question 9 K The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A Bank B 6.4 4.2 6.6 5.3 6.7 5.8 Click the icon to view the table of Chi-Square critical values. minQuestion list Question 3 Question 4 Question 5 Question 6 K The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A Bank B 6.4 4.2 6.6 5.3 6.7 5.8 Click the icon to view the table of Chi-Square critical values. minTutorial 2 1. Suppose that a fair coin is tossed five times independently. Let V be the number of tails obtained on the ten tossed. Determine the possible value of V. 2. During the summer months, a rental agency keeps track of the number of speedboats rented each day during a period of 90 days. The variable X represents the number of a radom speedboats rented per day. The results are shown as follow. 1 2 Number of days 45 30 15 0.S D. 33 0,17 Compute probability P(X) for each X 3. Suppose that a box contained seven red balls and three blue balls. If four balls are selected at random without replacement, determine the probability distribution function of the number of red balls that will be obtained. 4. Determine whether each distribution is a probability distribution (a) 10 15 20 P(X=x) 1 1 1 (b) 1 3. 4. P(X=x) 1 6. Yes 8. 16 16 (c) P(X-x) 0.5 0.3 0.4 No 2) 1/4 2)Recommended textbooks for youAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
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