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Q1) One of the factors which company will use in finding whether it will locate new facility in a community is status of the real estate market. Managers believe that significant measure of real estate market is average length of time that homes stay on market before selling. They believe that if mean time on market is less than 45 days, real estate market is favourable. To test this in particular area, a random sample of n = 100 homes that sold in the past six months was selected. Mean for this sample was= 40 days. It is believed that population standard deviation is 15 days. If test is conducted using a 0.05 level of significance, what conclusion must be reached?
Genetics of peas. According to genetic theory, the blossom colour in the second generation of the certain cross of sweet peas should be red or white in a 3:1 ratio. That is, each plant has probability 3/4 of having red blossoms, and the blossom co..
Develop a mathematical programming model and solve. Discuss your results [total profits, total costs, etc].
What is your null hypothesis? What is your alternative hypothesis? What your decision about the null hypothesis?
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
Below you are given a partial computer output based on a sample of 21 observations, relating an independent variable (x) and a dependent variable (y).
Find out the probability of an event relies on past history of record data. The relative frequency method of computing the probability of an event relies on past history.
Construct a 98% prediction interval for the selling price of a 4l- year old house having 4500 square feet, 13 rooms, and an attached garage.
The 99% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 10 items is:
She is interested in testing the null hypothesis that the mean SAT score is the same for each type of schooling using the one-way ANOVA. Some summary statistics for the three groups are given below, followed by the one-way ANOVA table.
What is the null hypothesis? Use α =0.05. Compute critical value. Use α =0.05.
Describe why the normal distribution can be used as an approximation to binomial distribution. What conditions should be met to use the normal distribution to approximate the binomial distribution? Why is a correction for continuity essential.
Graphical method to solveout the linear programming problem. Describe where the following TEO constraints intersect.
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