Question 6 1/5 pts 5 1-3 3 0 Details Score on last try: 1 of 5 pts. See Details for more. > Next question Get a similar question You can retry this question below A researcher wants to determine the number of hours per week that the typical student at CRC watches television. He wants to estimate the mean to within 2 hours with 90% confidence. Results from a previous survey indicate that the number of hours of television watched per week has a standard deviation of 10.4 hours. a. Estimate the sample size needed