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A campaign against smoking was done by a state public health department on a random sample of 1500 adults. Of them, 456 responded that they smoke regularly. Historically, 32% of all adults in the state smoke. Calculate the sample proportion. (2 marks) E Find the probability that the sample proportion will not be larger than the value computed in Q6. (c) (i). (3 marks) (11i) Determine if the campaign to reduce smoking is effective. Justify your answer. (2 marks) [Total : 25 marks]