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1. Every time that the team wins a game, it wins its next game with probability 0.8; every time it loses a game, it wins its next game with probability 0.3. If the team wins a game, then it has dinner together with probability 0.7, whereas if the team loses then it has dinner together with probability 0.2. What proportion of games result in a team dinner?
2. An organization has N employees where N is a large number. Each employee has one of three possible job classi?cations and changes classi?cations (independently) according to a Markov chain with transition probabilities
?0.7
0.2
0.1?
?0.2
0.6
0.2?
0.1
0.4
0.5
What percentage of employees are in each classi?cation?
Find a jackknife point estimate of the population mean μ ozone level. Construct a 95% jackknife con?dence interval for the population mean μ. Compare the con?dence interval obtained in part (b) with that in Example 6.3.3.
You are designing a poster with area 1225 cm2 to contain a printing area having margins of 5cm at the top and bottom and 8cm on the sides. Find the largest possible printing area
you would like to test if the cholesterol level for health science students is different from the population which has
For a random sample of 23 European countries, the variance on life expetancey was 7.3 years. What is the 95% confidence interval for the variance of life expectancy in all of Europe?
They also send the upper 2.5% directly to the company without an interview. Based on the data the assumption of a bell-shaped distribution, what score should be used for the two cutoffs?
q1 the weights of packets of cookies produced by a manufacturer have a normal distribution with mean 202 grams and
Construct a 90 percent confidence interval for the true mean weight. Describe factors which might cause variation in the weight of Tootsie Rolls during manufacture.
question 1based on a survey of 1000 adults by greenfield online and resported in a may 2009 usa today snapshot adults
assume that a simple random sample has been selected from a normally distributed population and test the given claim.
How much would the company be willing to pay for perfect information on all three sites (together)? Note that after finding out the true nature of each site, the company can still choose no more than one site.
Is there a significant difference in sales dollars of hats between the west side and east side stores at the 5 percent level of significance? (a) State the hypotheses. (b) State the decision rule and sketch it. (c) Find the test statistic and stat..
Calculate and compare the means for IQ as a dependent variable and gender as your independent variable. Do you think males and females differed in their IQ scores? Why?
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