A research institute poll asked respondents if they felt vulnerable to identify theft. n the poll n=1100 and x=542 who said yes use 90% confidence level find the best point estimate of the population proportion p​

Which expression will have the same sum as 3_8 + 1/4?

Prove that quadrilateral is a rhombus.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.