Mathematics, 06.11.2019 21:31, animaljamissofabu
The residential energy consumption survey found in 2001 that 47% of american household had internet access. a market survey organization repeated this study in a certain town with 25,000 households, using a simple random sample of 500 households: 239 of the same households had internet access. a) the percentage of households in the town with internet access is estimated at ; this is likely to be off by or so. b) if possible, find a 95%-confidence interval for the percentage of all 25,000 households with internet access. if this is not possible, explain why or why not.
Answers: 2
Mathematics, 21.06.2019 16:00, ljcervantes4824
Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.
Answers: 2
Mathematics, 21.06.2019 19:00, kayranicole1
The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.
Answers: 1
The residential energy consumption survey found in 2001 that 47% of american household had internet...
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