Abag contains 6 blue marbles, 3 green marbles , and two yellow marbles, ava will select a marble from the bag without looking -- what is the probability that she will select either a green or yellow marble? (a-6/121 b)-5/22 c)-5/11 d)5/6 -sky

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?