Mathematics, 27.04.2021 16:00 angie249

Historically, about 53% of the population of a certain country believed that the planet's temperature was rising ("global warming"). A March 2010 poll wanted to determine whether this proportion had changed. The poll interviewed adults in the population, and said they believed that global warming was real. (Assume these adults represented a simple random sample.) Required:
a. What percentage in the sample believed global warming was real in 2010?
b. Is this more or less than the historical 57%?

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