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A given project's expected duration along its critical path is 25 days. Management wants to know the probability that the project will finish in 22 days or less. The variance along the project's critical path has been calculated to be 6.02778 days. Thus, what is the approximate probability that the project will finish in 22 days or less:
0.06
0.11
0.43
0.61
What is the predicted GPA if a person watches 12 hours of television per week?
the frequencies of different blood types of 200 people who volunteered at a plasma center is given in the table.blood
starting positions for business and engineering graduates are classifies by industry as shown in the previous
Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales.
What is the probability that the poll gets a sample in which fewer than 45% say they do not get enough time for themselves. Show your method.
the middle 53 of a normally distributed population lies between what two standard scores? give your answers correct to
Philadelphia is conducting a study on the characteristics of tourists who drive to Eagles football games. Previous studies indicate that approximately 70% of all game attendees are people who decided to drive from out of town
The United States Postal Service reports that 95 percent of first class mail within the same city is delivered within two days of the time of mailing. Six of the letters are randomly sent to different locations.
Construct and interpret the 90% Confidence Interval for the mean starting salary of college graduates in developmental psychology. Salaries are in thousands.
The hypotheses are as follows: Null Hypothesis: μD ≤ 0, Alternative Hypothesis: μD > 0. From her data, the resesarcher calculates a p-value of 0.0162. What is the appropriate conclusion? The difference was calucated as (after - before).
The dimension is supposed to be 224 mm and the variance is unknown for the manufacturing process. Is there evidence that the mean dimension is not 221 mm? Assume the population is normally distributed. Use a = 0.05 and the critical value value met..
Build a predictive model for number of calories using fat grams. If a pizza has 15 grams of fat, how many calories should it have, using your model?
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