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could someone explain how to solve the problem?... A set of data the size N=100 is normally distributed with a mean of 50 and a standard deviation of 5. Determine the interval about the sample mean that has a 1% level of confidence. Find the standard error of the mean for if the standard...

use mathematical induction to prove that each proposition is valid for all positive integral values of n: 1. 3+9+15+...+(6n-3)=3n^2 2. 5^n - 1 is divisible by 4 find each value: 1. P(9,6) 2. P(7,4) 3. C(8,2) 4. C(6,5) Throw in a word problem... Eight out of ten people surveyed prefer to...