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4. A eanned sh manufacturing company believes that its tuna sh contains 15% pure tuna. A random sample of 150 cans of tuna is picked

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4. A eanned sh manufacturing company believes that its tuna sh contains 15% pure tuna. A random sample of 150 cans of tuna is picked and tested for composition. [3 marks] a] What is the mean of the sample proportion? 11) What is the standard deviation of the sample proportion? e] Find the probability that the sample proportion will be less than 0.10. d) Would a value of = 0.25 be considered unusual? Why

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