HOMEWORK 5b--GENDER AND STATISTICS GRADES- …

A 56. A researcher wants to estimate the proportion of a population which possess a given characteristic. A random sample of size 250 is taken and 40% of the sample possess the characteristic. The 90% confidence interval to estimate the population proportion is _____. M A. 0.35 to 0.45. Calc B. 0.34 to 0.46. C. 0.37 to 0.43. D. 0.39 to 0.41. B 57. ................
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