Question 7 (5 points) In a town, the brand name of a certain jazz band has a 50% recognition rate. (In other words, a resident of this town selected at random knows about the jazz band with a probability of 0.5.) An executive manager of the band wants to double check the recognition rate as the band is interested in giving concerts in the town. He/she selects a random sample of 10 residents. a) Find the (perhaps, approximate) value of the probability that exactly 5 out of ten residents recognize the jazz band. 0.246 0.5 0.349 0.2