Answer:
48%
Step-by-step explanation:
The conditional probability definition applies.
P(med | cold) = P(med & cold) / P(cold)
The probabilities are the table numbers divided by the total of all numbers in the table (100). Since that dividend is the same for all, we can basically ignore it and just use the table numbers.
P(med | cold) = (12)/(8+12+5) = 12/25 = 48/100
P(med | cold) = 48%
Answer:
cos(pi/2) + i sin (pi/2)
Step-by-step explanation:
(1+i)/ (1-i)
Multiply top and bottom by (1+i)
(1+i) (1+i)/ (1-i)(1+i)
Foil the top (1+i)(1+i) = 1 +2i +i^2 = 1 +2i -1 = 2i
Foil the bottom ( 1+i)(1-i) = 1 - i^2 = 1 - (-1) =2
2i/2 = i
the magnitude is (0^2+1^2) = 1
The angle is tan^-1( 1/0) = pi/2
cos(pi/2) + i sin (pi/2)
Answer:
A lot
Step-by-step explanation:
Here’s an example on how to write one.
1/8=0.125
0.125
______
8 I 1.000
- 8
______
20
- 16
_______
40
- 40
_______
0