Question 6 4 pts The intelligence quotient, or IQ. is a measure someone ability to reason and solve problems (some might say "intelligence") One commonly used IQ scale (the Stanford-Binet} has a mean of 100 and standard deviation of 15, and IQ scores are approximately normally distributed. What IQ will you have to have to be in the top 1% of all IQ scores? Question 7 4 pts The light bulbs used in a classroom have an average lifetime of 11,000 hours. Assume the length of life is approx. normally distributed with standard deviation of 2,000 hours. The company has a guarantees their light bulb will last at least 7,500 hours or they will replace it for free. At most what percent of light bulb can the company expect to replace under this warranty? [Please write you answer as a whole percentage]