Answer Happy

An amusement park is trying to predict how many customers will have mild to severe reactions to a new ride. While testing the ride on park employees willing to ride it, they measured at three random hours each of the seven days the number of people who claim to, at the very least, feel nausea after the ride. They are interested in what is the lowest number they should expect in a busy hour so they can moderate the ride if that number is too high. Given the information in the table, what is the lower control limit for the appropriate control chart? (Round your answer to the nearest decimal.) Day 1 55 57 49 2 3 4 5 6 7 22 33 27 47 68 78 16 35 32 54 86 18 40 31 57 79 53 42