"Tourist attractions ~ In South Korea, there is an island called "Jeju" famous for its beautiful scenery and enjoyable activities. A marketing firm collected random samples of South Korean and other country tourists. In the sample of 135 South Korean tourists, 56 of them were satisfied with their Jeju experience. In the sample of 154 other country tourists, 73 were satisfied with their Jeju experience. The marketing firm wants to determine if the satisfaction rating of South Korean tourists is less than the satisfaction rating of other country tourists. Notation: 1=South Korean tourists and 2=other country tourists A normal distribution is used to carry out a hypothesis test for this scenario. What is the pooled estimate for the common value of the population proportion?"