Mauricio conducted an experiment in which he drew marbles out of the bag and recorded the colors. The results of the experiment are shown in the table above. What is the probability that Mauricio drew a red marble? Color: frequency:
Red 12
Yellow 14
Blue 16
Green 17

Please help quick w work

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?