35% of the people in a certain town have unlisted phone numbers..........?

1 ⤊

You select 200 names at random from the phone book. What is the expected number of people who will have unlisted numbers???

2006-06-24 07:19:34 · 3 answers · asked by mrkittypong 5 in Science & Mathematics ➔ Mathematics

None of them. 0 percent.
Unlisted numbers are not listed in the phonebook. That's why they are called unlisted.

2006-06-24 07:29:25 · answer #1 · answered by jimminycricket 4 · 1⤊ 0⤋

2016-12-25 01:47:25 · answer #2 · answered by Anonymous · 0⤊ 0⤋

2017-03-08 18:24:07 · answer #3 · answered by ? 3 · 0⤊ 0⤋

None dude. Who the hell will put the unlisted nos. in the phone-book?(except till u write them down)

2006-06-24 10:26:05 · answer #4 · answered by CoolBuddy 2 · 0⤊ 0⤋

2006-06-24 07:24:28 · answer #5 · answered by evil_tiger_lily 3 · 0⤊ 0⤋