STAT 211
E(X/n) = E(X)/n, Using the rules of the expected value. = np / n =p If X~Binomial(n,p) then E(X)=np (Chapter 3) Example 2: A sample of 15 students who had taken calculus class yielded the following information on brand of calculator owned: T H C T H H C T T C C H S S S (T: Texas Instruments, H: Hewlett Packard, C=Casio, S=Sharp). Estimate the ... ................
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