Mathematics, 13.11.2019 06:31 madeleine1102
In a population of 120 voters in random town, suppose 40% will vote for phred for mayor. if you randomly sample 25 voters (without replacement) before the election, what’s the chance that the number in the sample who will vote for phred will be between 9 and 11 (i. e., within 4% of the true value)? do this using the exact (hypergeometric) and approximate (normal, with continuity correction) distributions.
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What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23
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Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?
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In a population of 120 voters in random town, suppose 40% will vote for phred for mayor. if you rand...
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