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Q1) Following network is compressed representation of prospectus of start-up firm which plans to develop new, bio-electronic computer chip.
Note that 4 activities, biological elements, can start immediately.
Find:
a) Critical path.
b) Earliest time to complete the project.
c) Slack on activities E, F, and H.
Q2) Plot below is two way scatter plot of Head Circumference (Headcirc, cm) vs. Gestational Age (Gestage, weeks) for sample of 100 low birth weight infants, and output from fitting a simple linear regression model to data, regressing Headcirc (Y) on Gestage (X).
A bank official reported the results of a regression analysis designed to predict the bank's charges (y), measured in dollars per month, for services rendered to local companies.
Perform a contingency analysis on the data to determine if there is any dependency between the number of level of education attained by the father and the size of his family.
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
95% of breaking strengths will be contained between what two values symmetrically distributed around mean?
Use this information to construct a probability table, and then calculate each of the following probabilities:
Assuming that all other variables are held constant, explain how the value of z influenced by each of the following:
Random number generation based on discrete distribution and evaluate the average queue length, waiting time, and percentage utilization for each system.
Finding the probability of each event in a group of events of different possibility
You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?
Find the mean and standard deviation of X, the number of students in class, who will develop influenza.
As sample size increases, the standard error of M _______________ .
Use a decision tree to describe the possible strategies and the consequences (or payoffs) of each. Show your decision tree.
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