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Mathematics, 21.11.2019 01:31, kinglightskin2k
It is desired to estimate the average time it takes statistics students to finish a computer project to within two hours at 90% reliability. it is estimated that the standard deviation of the times is 14 hours. how large a sample should be taken to get the desired interval? a) n = 189 b) n = 133 c) n = 325 d) n = 231
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