Question

. The communcatcons miniering company Postini has reported that 91% of e-mad messages are our in box contains 2s mess ages Spam. Spposx nth of real messages ypu expect to Lind in your inbox? What is the probahility hat you well Fund orly ur 2 m essages? at are he mean an d standerd deviation of the mumber ュ \The Postini has reported con 'n uni c a tuons-nonitoring company hat, 91 ol e-mail messages are' spom. Recenlly n Sta lleal & span Lilters Yen obscrve nat over the past week it okayed enly 151 of 1422 emails you recenly receive Clessi ina the rest ds ank, Sheuld you wiry hat The ltering is Yoo agg resstue? : What is fhe probabilit, that nơ mne than ISI (4). e-mails is a real message? 9

Answer 1