55% of people in the US are worried that inflation will increase next year. In a random sample of 9 people, what is the probability that: 1) At most 7 people worry that inflation will increase next year? 2) More than 6 worry that inflation will increase next year? 3) At least 6 worry that inflation will increase next year? 4) For x= 0 to 9, determine the probabilities of the event and find the mean, variance and standard deviation of peope in the US worrying that inflation would increase in 2024 x 0 1 2 3 4 5 6 7 8 9