Fossil fuels, such as oil, gas, and coal are natural fuels that are extracted from the earth. People use these fuels as a source of energy, but the extraction and burning of fossil fuels contributes to global warming. A 2019 national poll found that 60% of American adults support dramatically reducing the use of fossil fuels. Suppose that 10 adults from this population are chosen. a. What is the probability that exactly 8 out of 10 adults support dramatically reducing the use of fossil fuels? b. Find the mean and standard deviation for the number of people who support reducing the use of fossil fuels.

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.