Question: 4 4. After Testing the product, quality control team found that 28% of them showed some defect. How many products must be tested to be

4. After Testing the product, quality control team found that 28% of them showed some defect. How many products must be tested to be 90% confident that the error in estimating the true value of p is less than 2%? Assume the distribution is normal. [3 marks] 1) Critical Value 2) Number of products to be tested

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