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Q1) Decide whether experiment is binomial, Poisson or neither based on info given. Each week man plays game in which he has a 21% chance of winning. Random variable is number of times he wins in 64 weeks.
i) binomial
ii) Poisson
iii) Neither
Q2)We have Poisson distribution with mean = 4. Determine P(X = 3), P(X < 3), P(X <= 3), P(X > 3), variance, and standard deviation.
Transportation problem involves following costs, supply and demand.
To
From
1
2
3
4
Supply
$500
$750
$300
$450
12
650
800
400
600
17
700
500
550
11
Demand
10
i) Create a linear programming model for this problem.
ii) Solve this transportation problem using computer (note: if using QM for Windows, make sure to choose the transportation module).
A point estimate for the difference between the mean purchases of the users of the two credit cards is:
The null hypothesis is the alternative is Use the given sample data to find out the P-value for the hypothesis test. Provide an interpretation of the P-value.
Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.
They were planted in four different locations, so we will consider the field as a second factor because different soil and moisture types can also have an effect on yield. The interaction plot below was obtained.
What is the probability that the sum of their scores exceeds 1200 and probability that the average of the scores of all 400 student
The quality-control inspector checks 200 pieces in a certain operation. The piece is either good or defective. The record for nine hours.
Develop a 95% confidence interval of the difference between the daily population means for the two airports.
In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE = 399.6. The MSE for this situation is:
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. State the decision rule.
Find the critical value and test statistic value follows normal distribution.
Determine margin of error for confidence interval in (a)?
Which measure of association do you use to compare the relationship between these variables? Why?
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