Activity 4.1 Solve the following problems completely. 1. A researcher wants to estimate the number of hours that 5-year old children spend watching television. A sample of 50 five-year old children was observed to have a mean viewing time of 3 hours. The population is normally distributed with a population standard deviation = 0.5 hours a) the best point estimate of the population mean. b) the maximum margin of error c) the 95% confidence interval of the population mean. Activity 4.1 Solve the following problems completely. 2. A random selection of 40 entering Mathematics majors has the following GPAs (Grade Point Average). 4.0 3.5 3.0 3.3 3.8 3.1 3.6 4.0 3.9 2.5 3.2 3.0 3.5 3.2 3.0 3.2 4.0 3.0 3.4 3.0 3.0 2.8 5.6 3.0 3.2 3.5 3.2 2.8 3.3 3.1 3.2 2.9 3.0 2.8 4.0 3.7 3.0 3.3 3.2 2.8 Estimate the true mean GPA with 99% confidence. Submit tin your Performance Task Folder