.._..._.......__, ......_ . ..__ \\.......___, Problem 2. (4 points) In a certain population, it is known that approximately 11.93% of people have Type B blood. In a survey assessing blood types in this population, 18 people were sampled and were asked to indicate their blood type (0, A, B, or AB). Please use this information to answer the following questions. a. How many of the people surveyed can we expect to have Type B blood? Answer: :: people. Round to at least FOUR digits after the decimal if necessary. b. What is the standard deviation of the number of people surveyed who have Type B blood? Answer: "' people. Round to at least FOUR digits after the decimal if necessary. c. Suppose you know that fewer than 8 of the people sun/eyed have Type B blood. What is the probability that exactly 2 of the people surveyed have Type B blood? Answer: a Round to at least FOUR digits after the decimal if necessary. d. What is the probability that the 6th person surveyed is the second person to indicate that they have Type B blood? Answer: Do NOT round your answer; give all the decimals that R prints