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A lot of 50 items is inspected by the following two =-stage plan.
(i) A first sample of 5 items is drawn without replacement. If all are good the lot is passed: if two or more are bad the lot is rejected.
(ii) If the first sample contains just one bad item, a second sample of 10 more items is drawn without replacement (from the remaining 45 items) and the lot is rejected if two or more of these are bad. Otherwise it is accented
Suppose there are 10 bad items in the lot.
a) What is the probability that the second sample is drawn and contains more than one bad item?
b) Write down an expression for the probability that the lot is accepted.
Cars pass a certain street location according to a Poisson process with rate λ. A woman who want to cross the street at that location waits until she can see that no cars will come by in the next T time units.
Severity of pain is influenced by the timing of pain interventions in sickle-cell crises and immediate intervention is better than either slightly delayed intervention or initiation at crisis stage.
an offspring of a grey cat is grey with probability 0.6 and white with probability 0.4. an offspring of a white cat is
Given the utility function u(W) = W- vW and initial endowment of $100 Outcome (Probability). Rank the three lotteries according to the expected dollar winnings.
Standard deviation of 4 beats per minute. If 300 women are examined, how many would you expect to have a heart rate less than 75?
Should the treatments be given to everyone? Effective drugs for treating AIDS are very expensive, so most African nation
For a one tailed hypothesis test (upper tail), the p-value is computed to be 0.034. If the test is being conducted at a 95% confidence, the null hypothesis.
find the indicated probabilities using the geometric distribution or the poisson distribution. then determine if the
suppose you have a coin that lands on heads with probability p 0 lt p lt 1. you dont know the value of p however. so
Results of a study reported in Financial Analysts Journal include a simple linear regression analysis of firms' pension funding (Y) versus profitability (X).
The number of runs with respect to the sample median is:
Produce two scatter plots: market value versus PE ratio. Do the scatter plots support the analyst's decision to produce a second-order polynomial?
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