Answer Happy

The Centers for Disease Control reported that 20% of preschool children lack required immunizations, thereby putting themselves and their classmates at risk. A random sample of 95 preschool children is selected A. How many of these 95 children would we expect to lack the required immunizations? B. Describe the distribution of the proportion of children in the sample that lack immunizations. C. What is the probability that at least 35% of the sample of 95 children lack the required immunizations? The U.S. Department of Labor's Bureau of Labor Statistics published an estimate that the unemployment rate for recent college graduates is 12%. Coincidentally, a college alumni association recently contacted 410 randomly selected graduates from the class of 2008. 14% of the sample of 410 recent graduates was found to be unemployed. A. Describe the sampling distribution of the sample proportion of recent graduates who are unemployed. B. Find the probability that in a random sample of 410 recent college graduates between 14% and 16% will be unemployed