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Q1) Let the following table:
PRET. ACT
TIME ESTIMATES (days)
Activity
to
tml
tp
te
A
-
6
B
4
5
C
2
D
8
E
1
3
F
i) What is the probability of this project being completed earlier than 19 days?
Between 13 and 15 days?
Determine the completion time and the standard deviation (σ) for project round off standard deviation to the nearest hundredth: two decimal places.
ii) What is the completion time at 95% confidence level?
Dertermine the probability that a male is a Major or a Colonel?
At 5% level of significance, does this sample prove violation of guideline that average patient must pay no more than $250 out-of-pocket? Write your hypotheses and decision rule.
Create a 95% confidence interval for true mean debt for student borrowers.
To findout 95 percent with confidence interval for the mean amount a citation. Police Chief Aaron Ard of River City reports 500 traffic citations were issued last month.
Create a 90% confidence interval for mean score on this placement exam for all students.
Florida State University administers a test of mathematics placement to students when they first enter the university.
The correct set of hypotheses to test the effect of the bonus plan, the difference between the t and z distributions
Table shows the smoking habits of group college students. If student is selected at random, determine the probability of getting someone who is man or a woman.
Determine the probability distribution associated with these data.
Using the original data, estimate the population standard deviation with 90% probability.
The probabilities of low, medium and high compliance are 0.3, 0.4, and 0.3, respectively
For the samples summarized below, test the hypothesis at ∞ =.05 that the two variances are equal. Variance Number of data values Sample 1 19 8 Sample 2 9 18
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