Question 1 Two in 10 marketing strategies randomly sampled .pdf

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Question 1) Two in 10 marketing strategies randomly sampled are known to be ineffective in a banking sector. i. Calculate the probability that in a sample of 6 marketing strategies employed in the banking sector: A. None are ineffective B. More than half are ineffective ii. Find the: A. Expected number of ineffective strategies. B. Standard deviation of ineffective strategies used in the banking sector. ..

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