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A random sample of 388 married couples found that 288 had two or more personality preferences in common. In another random sample of 580 married couples, it was found
that only 26 had no preferences in common. Let P, be the population proportion of all married couples who have two or more personality preferences in common. Let Pz be the
population proportion of all married couples who have no personality preferences in common
USE SALT
(a) Find a 90% confidence interval for p - P2. (Use 3 decimal places.)
lower limit
upper limt
Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity
F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2