Answer:
-14
Step-by-step explanation:
[(-11) + (-5)] + [3 + (-1)]
= (-11 - 5) + (3 - 1)
= (-16) + 2
=<u> -14 </u>
Answer:
The events being a heavy smoker and having emphysema are not independent.
Step-by-step explanation:
We are given the following in the question:
Number of women = 2000
Number of heavy smoker = 340
Number of women who has emphysema = 25
Number of women who has emphysema and are heavy smoker = 21
P(Smoker) =

P(emphysema) =

P(Smoker and emphysema) =

Two events A and B are said to be independent if

Checking conditions for independence:

Thus, the events being a heavy smoker and having emphysema are not independent.
4.80 is the square root of 23
Answer:
One solution
Step-by-step explanation:
Answer:
c) 10 cm
Step-by-step explanation:
EC = AC
AC = 10 then so does EC