23. Base on the above given data, Expected Profit = 24000*0.7 - 6000*0.3 = $15000
23. A contractor is considering a sale that promises a profit of $24,000 with a probability...
A contractor is considering a sale that promises a profit of 240000.0 dollars with a probability of 0.76 or a loss (due to bad weather, strikes, and such) of 20000.0 with a probability of 0.24. What is the expected profit? SELECT ALL APPLICABLE CHOICES A)E=155400.0 B)E=136050.0 C)E=177600.0 D) None of These
A contractor is considering whether he should take on a project that promises a profit of $6800 with a probability of 0.4 or a loss (due to bad weather, strikes, etc.) of $5900 with a probability of 0.6. What is the expected profit for the contractor?
What is the expected profit, show work Ints: 5 21) A contractor is considering a sale that promises a profit of $29,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $15,000 with a probability of 0.3. What is the expected profit? Show your work below. A) $30,800 B) $15,800 C) $14,000 D) $20,300
Solve the problem 18) A contractor is considering a sale that promises a profit of S23,00wy or a loss (due to bad weather, strikes, and such) of $13,000 with a probosriiy s expected profit? A) $16,100 B) $10,000 ) $12,20
Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data. 14) Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores: 50 15 31 27 11 42 71 A) 11,341 14) B) 31 C) 20.9 D) 8715 6
20. Find the indicated IQ score explain how you found your answer 21 What is the expected profit show work Provide an appropriate response. Points: 5 20) Find the indicated IQ score. The graph depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test). The shaded area under the curve is 0.7622. A) 102.6 B) 129.6 C) 97.5 D) 110.7 Explain how you...
25)With a previous contractor, the average time to replace a lamppost in the city was 3.0 days. A city councilwoman thinks the new contractor is not quickly replacing the streetlights. She selects a random sample of 12 streetlight service calls and gets the following replacement times (in days). 6.2, 7.1, 5.4, 5.5, 7.5, 2.6, 4.3, 2.9, 3.7, 0.7, 5.6 ,1.7 Because the sample size is small, you should verify that the replacement time is normally distributed and the sample does...
2. Among 150 people interviewed as part of an urban mass transportation study, 84 ive more than Skm from the c ity centre (4), 99 regularly drive to work (B), 85 would gladly switch to public mass transportation if it were available (C), 74 are both A and B. 8 are A and C only, 9 are B and Conly, and 27 are none of the three categories. Find 3. At an electronic plant, it is known from past experience...
The superintendent of a large school district, having once had a course in probability and statistics, believes that the number of teachers absent on any given day has a Poisson distribution with parameter u. Use the accompanying data on absences for 50 days to obtain a 95% large-sample CI for Number of absences 1 2 3 4 5 6 7 89 10 Frequency 23 8 10 976211 has approximately a standard normal distribution. No answers to two decimal places.) proceed...
Employees at an engineering firm were sampled and the following probability data was collected on how many days per week they work. Days 1 2 3 4 5 6 7 Probability 0.02 0.05 0.10 0.12 0.60 0.10 0.01 1. If an employee is selected at random from this company, what is the probability that they work less than five days per week? 2. What is the expected value of the number of days per week worked by an employee at...