exam Maths Puzzle Numerical Ability

For a sample of size n=60, proportion p=0.35, and 95% confidence level, the lower bound of the proportion is ______?

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exam Other Question

three is added to a number, and then the sum is multiplied by 4.The result is 16.What is the number. Classify each polynomial as a monomial, a binomial, a trimomial or none of these 4.9 x 10-2