There are 38 beads in a package. Candice bought 4 packages of blue, 9 packages of gold, 4 packages of red, and 4 packages of silver beads. About how many beads did Candice buy? Candice bought about beads.

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?