Arandom sample of 150 students is chosen from a population of 5,000 students. if the mean iq in the sample is 110 with a standard deviation of 10, what is the 95% confidence interval for the students' mean iq score?

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

How do you find principle and simple interest

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%