Use the Following Information to Answer the Question

Short Answer

Use the following information to answer the question. In 2007, the average number of hours spent online at home for U. S. adults with internet access was 8.9 hours with a standard deviation of 0.4 hours. The U. S average was determined by collecting cluster data from thirty randomly selected states. Assume the distribution of time spent online at home is approximately unimodal and symmetric.
-What is the range of time spent online at home for 95% of adults with internet access? Round to the nearest tenth.