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1. Draw a project network that includes all the activities.2. Calculate the start and finish times for each activity and determine the minimum number of weeks for completing the project. Find the critical set of activities for the project.3. Identify slack in the the activities not on the project critical path.4. Your boss would like you to suggest changes that could be made to the project that would significantly shorten it. What would you suggest?
What is the probability that the sample mean will be greater than M = 510. In symbols, what is p (M>510)?
Find the value of Z-score- standard normal distribution.Find out a value of the standard normal random variable z, call it z0.
Use a visual display to a categorical variable with four classifications. Which one would you use - the bar chart, the pie chart, or the pareto diagram? Explain"
The standard deviation is estimated to be 0.279. Use the 99% level of confidence.
Precisely (that is, using specific numbers) what does the central limit theorem tell us about the sampling distribution of sample means for samples of this size from this population?
What is the inherent meaning and justification of cross multiplication as it applies to solving an equality? Is | x -2 | the same as | 2 - x |? Please explain your answer. How do you express the following mathematically?
Gasoline and number of gallons sold. For sample of 14 stations last Tuesday, correlation was 0.83. At 0.05 significance level, is correlation in population greater than zero?
Suppose the inspector is unhappy with the previous result and would like to resample. How many rolls should be sampled to estimate the mean tensile strength within 1.5 PSI with 95% confidence?
Using the five steps of hypothesis testing and the 5% significance level (alpha), does showing the film change students' attitudes towards the chronically mentally ill?
You are given the sample mean and the sample deviation, Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider?
USA Today reported on preferred types of office communication by different age groups. Suppose the results were based on a survey of 500 respondents in each age group.
Use the Poison distribution to find the indicated probabilites. Find the probability of 6 dandelions in an area of 1 m ²
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