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Assume three buckets.
Bucket 1: 6 red and 4 black balls
Bucket 2: 8 red and 2 black balls
Bucket 3: 4 red and 1 black ball
Draw a ball from number 1: if red go to number 2; if black go to number 3.
1. What is probability (red on draw 2, given red on draw 1)?
2. What is probability (black on draw 2, given red on draw 1)?
3. What is probability (red on draw 2, given black on draw 1)?
If random sample of thirty six customer transactions points out that sample mean withdrawal amount is $172, is there evidence to think that population mean withdrawal amount is no longer $160? Determine the mean of data above?
Compute the probability that randomly chosen student with a Master's degree majored in English or mathematics?
To find out the efficiency of the current ticket operation, Mike wishes to examine several queue operating features.
ABC insurance sells term life insurance policies. If the plicy holder dies during the term of the policy ABC pays out $100000. If the person does not die ABC pays nothing and there is no further value to the policy.
Describe different methods of establishing correlation between variables and provide an example of each. Discuss the advantages and disadvantages of each method and where each must be applied.
The data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September 2006.
To test the effectiveness of a new type of plastic handcuffs, a law enforcement agency puts the cuffs on a sample of 30 persons who belong to the local weightlifting club. None is capable to break free from the cuffs. What type of sampling techniq..
Describe the distribution of the x-bars that you see in part b (shape of distribution, center, and the amount of dispersion).
How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
How large a sample size will need to be selected if we wish to have a 99% confidence interval with a margin for error of .25 hours?
Find out: The slack on all activities. The critical activities. The critical path.
In a goodness-of-fit test where the sample size is 200, there are 5 categories, and the significant level in .05. The critical value of X2 is.
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