Directions: Read and solve the following problems. (5 pts each) 1. The SM Theatre has studied their movie customers to determine how much money they spend on concessions. The study revealed that the spending distribution is approximately normally distributed with a mean of 5.16 and a standard deviation of 2.5. What percentage of customers will spend less than 4.00 on concessions? 2. From question No. 1, what spending amount corresponds to the top 78 th percentile? 3. Lody gets a score of 85 in a Biology test and 80 in a Math test. Scores in Biology test have a mean of 75 and standard deviation of 5. Scores in Math test have a mean of 76 and standard deviation of 4. In which subject is her standing better assuming that the scores in the two subjects are normally distributed? 4. In an English Test, the mean is 60 and the standard deviation is 6. Assuming the scores are normally distributed, what percent the scores is a. Greater than 65? b. Less than 70 c. Between 50 and 65