In a commercially available fingerprint scanner (e.g., for your home or office PC) false acceptances are  in 25 million for high-end devices, with false rejection rates of around 3 percent. (a) Define...

In a commercially available fingerprint scanner (e.g., for your home or office PC) false acceptances are  in 25 million for high-end devices, with false rejection rates of around 3 percent. (a) Define Type I and II error. (b) Why do you suppose the false rejection rate is so high compared with the false acceptance rate? (Data are from Scientific American 288, no. 3 [March 2003], p. 98.)