This is long, It takes Andre 4 minutes to swim five laps, how many laps per minute is that, and how many minutes per lap is that, If Andre swims 22 laps at the same rate, how long does it take him? please help, this is 200% of our grade

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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?