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In a survey of 1000 Canadian adults, 790 say that the energy situation in Canada is...

In a survey of 1000 Canadian adults, 790 say that the energy situation in Canada is very or fairly serious. 2. Construct a 95% confidence interval for the population proportion (a) The critical value: (b) The margin of error: (c) The lower limit of the interval: (d) The upper limit of the interval: 3. find the minimum sample size needed to estimate the population proportion at the 99% confidence level in order to ensure that the estimate is accurate within 3 % of the population proportion. (a) The critical value: (b) The margin of error: (c) The sample size:

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