Suppose that you have obtained data by taking a random sample from a population and that you intend to nd a condence interval for the population mean, p. Which condence level, 95% or 99%, will result in the condence interval giving a more accurate estimate of p? Choose the correct answer below. A. The 99% condence level will give a more accurate estimate of p since the condence level is higher. 0 B. Both will have the same accuracy for the estimate of p since only variations in sample sizes affect the accuracy for the estimate of p, and in this case both condence levels are being applied to the same sample. 0 C. The 99% condence level will give a more accurate estimate of p since the margin of error will be smaller for this condence level. 0 D. The 95% condence level will give a more accurate estimate of p since the margin of error will be smaller for this condence level. Provided below are summary statistics for independent simple random samples from two populations. Preliminary data analyses indicate that the variable under oonsideration is normally distributed on each population. Decide whether use of the pooled ttest and pooled t-intenial procedure is reasonable. :21 = 116, s1 =13.9, n1 =31, i2=129, 52 =17.9, n2 =75 Is use of the pooled t-test and pooled tinterval prooedure reasonable or not reasonable? 0 Reasonable Not reasonable Preliminary data analyses indicate that you can reasonably oonsider the assumptions for using pooled t-procedures satised. Independent random samples of released prisoners in the fraud and rearms offense categories yielded the following information on time sewed, in months. Obtain a 93% condence interval for the difference between the mean times served by prisoners in the fraud and rearms offense categories. (Note: i1 =12.ss, s1 =4.t13,