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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).
For each of following data sets, select the most suitable response from choices below the table. A strong negative linear relation exists.
The critical value of F at 95% confidence when there is a sample size of 21 for the sample with the smaller variance, and there is a sample size of 9 for the sample with the larger sample variance is:
If we fit the least-squares line to the 12 data points (one for each month) we obtain the following results from a software package. Notice that temperature is taken as the explanatory variable and crawling age as the response.
If only one bolt is chosen, determine the probability that it will be found defective for only 1 reason (that is. it is either too large or has poor workmanship, but not both.)
Based on the model N(1152,84) describing Angus steer weights, what are the cutoff values for.
Decision making using the Transportation method.
What is the best estimate of the average tread life for the entire population of these tires?
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
Find a 99% confidence interval for the population mean number of weekly miles.
What is the probability she received 5 or more email during the same period?
Is there any reasonable explanation for the two months that have the highest frequencies?
If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10
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