Mathematics, 18.12.2019 11:31 nails4life324
Based on a poll of 1000 residents, a newspaper article claims that 62% of the residents in town favor the development of a recreational park on the west side of town. a community action group interested in preserving the environment claims that 45% of the town’s residents favor the development of a recreational park. to determine whether the sample supports the population proportion, a simulation of 100 trials is run, each with a sample of 200, using the point estimate of the population. the minimum sample proportion from the simulation is 0.46 and the maximum sample proportion is 0.76. (a) what is the point estimate of the population? (b) the margin of error of the population proportion is found using an estimate of the standard deviation. what is the interval estimate of the true population proportion? (c) the margin of error of the population proportion is found using the half the range. what is the interval estimate of the true population proportion? (d) is the community action group’s claim likely based on either interval estimate of the true population proportion? explain.
Answers: 3
Mathematics, 21.06.2019 17:30
Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?
Answers: 2
Mathematics, 21.06.2019 20:00
A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?
Answers: 2
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
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