Answer and Step-by-step explanation:
The computation is shown below:
Let us assume that
Spam Email be S
And, test spam positive be T
Given that
P(S) = 0.3


Now based on the above information, the probabilities are as follows
i. P(Spam Email) is
= P(S)
= 0.3

= 1 - 0.3
= 0.7
ii. 


= 0.8906
iii. 


= 0.0221
We simply applied the above formulas so that the each part could come
Answer:
Step-by-step explanation:

Boi stop cheatin and draw ur own tape diagram
Answer:
158.4 degrees.
Step-by-step explanation:
A line is 180 degress in total so subtract 21.6 from 180. Then you get 158.4
Answer:
$5940
Step-by-step explanation:
19 groups = 19 x 300 = $5700
4 extra tickets = 4 x 60 = $240
$5700 + $240 = $5940
Total people going = 194