An art dealer sold three of 12 paintings that were on display in her gallery what was the ratio of the number of paining sold to the number of paintings not sold

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

What situation is an example of an observational study

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0