03/12/25
A population of values has a normal distribution with a population mean of 216.6 and standard deviation of 45.9 . You intend to draw a random sample of 230.
Find the probability that a single randomly selected value is between 209 and 210.5.P(209 < X < 210.5) = Find the probability that a sample of size n=230 is randomly selected with a mean...
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03/07/25
A recent poll shows that 76% of voters disapprove of the job that congress is doing.
Find the probability that at least 136 people disapprove of congress out of a random sample of 199.
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10/16/24
Find the incidence tax imposer by demander
The demand for a good XD=1500-5P and the supply is XS=1000 where X is the number of units and P is price per unit. In equilibrium without taxes the price is 100 and the quantity of X that is traded...
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10/08/24
Aggregate Expenditure Model
a) Data from the Chinese property market suggests that housing sales and prices have fallen sharply in recent months. There is a concern that the housing market crash in China may be...
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