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Q1) Polo Development Firm is building a shopping centre. It has informed renters that their rental spaces will be prepared for occupancy in 19 months. If expected time until shopping centre is completed is evaluated to be 14 months, with standard deviation of 4 months, find out the probability that renters will not be able to reside in in 19 months?
Q2) Quality control manager for ENTA Inc. should decide whether to accept (a1), further analyze(a2), or reject (a3) lot of incoming material. Suppose following payoff table is available. Historical data points out that there is a 20% chance that lot is poor quality (s1), a 50% chance that lot is fair quality (s2), and 30% chance that the lot is good quality (s3)
S1
s2
s3
A1
20
30
90
A2
60
70
10
80
50
40
a) Compute expected value for each of three actions and find out if manager must accept, further analyze, or reject the lot?
b) Determine expected value of perfect information (EVPI)?
Construct an appropriate control chart and comment on the process.
On which test did he do better compared to the rest of the class?
Computing the mean and standard errors of sampling distribution - Using the central limit theorem, find the means and standard errors of sampling distributions
Based on these data, determine the 95 percent confidence interval estimate for true population mean?
The average number of putts per hole for each player and their average driving distance is used to predict their total winnings using the multiple regression model where the deviations εI are assumed to be independent and Normally distributed with..
Using t test for significance of slope to determine whether the independent variable is a significant predictor of the dependent variable - Find the sum of the least squares slope and intercept parameter?
Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Explain.
No, there is not sufficient information to reject the hypothesis that the proportion of cats and the proportion of dogs that sleep more than 10 hours per day are the same because the test value -0.65 is inside the acceptance region (-1.96,1.96).
Find a 95% confidence interval for the percentage of girls and women in Taiwan who had antibodies at that time.
Using WSJ or IBD look up the following stocks: General Electric, General Motors, Microsoft and Intel and answer the following questions for each stock. You may have to refer to several issues of your newspaper for all of the information if the pap..
A study published in the New England Journal of Medicine (Aug. 2001) suggests that it's dangerous to enter a hospital on a weekend. During a 10-year period, researchers tracked over 4 million emergency admissions to hospitals in Ontario, Canada. T..
What is the probability that the team wins tonight and that there will be a large crowd at tomorrow's game?
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