Death and Illness from SARS and Total Mortality in Four Countries
Total Deaths Death From Sars Sick from SARS
Community A 150 75 95
Community B 300 225 275
Community C 50 5 30
Community D 800 350 750
Question: The proportionate mortality rate with SARS is lowest in which community? I believe
it to be (obviously) Community C (there couldn\'t be a confounder based on the data given
correct)? Or is C too ovious?
Solution
yes, u are right the proportionate mortality rate with SARS in community C.
TataKelola dan KamSiber Kecerdasan Buatan v022.pdf
Debbie forgot Lindas phone number. She did remember that the first.pdf
1. Debbie forgot Linda's phone number. She did remember that the first three numbers were 297-
and that all the rest of the digits in the phone number were 2s 9s and 7s. If she was very unlucky,
how many wrong numbers might she dial?
Solution
There are 4 digits left:
There are 3 choices for each digit....
So 297- (First digit left) 3 choices
Times
(Second Digit Left) 3 choices
Times
(third Digit Left) 3 choices
Times
(Fourth Digit Left) 3 Choices
3^4-1
81-1 80
