1. 37% of Bangladeshi believe the country is in a boom period, and technically the economy had not shown some straight quarters of positive growth. For a sample of 9 Bangladeshi, make the following calculations. Compute the probability that no more than six people believe the country is in a boom.
2. If the last digit of your ID is 5, 6, 7, 8, 9 answer this. Otherwise ignore it]The length of life of an instrument produced by a machine has a normal distribution with a mean of 12 months and standard deviation of 2 months. Find the probability that an instrument produced by this machine will last Between 5 and 17 months?