Answer:
Step-by-step explanation:
3
Answer:
1) a) 0.8
b) 0.6
2) a) 0.08
b) 0.14
Step-by-step explanation:
1) Given
and 
Let us learn about a formula:

(a) If A and B are mutually exclusive i.e. no common thing in the two events.
In other words:
=
= 0
Using above formula:

(b) P(A and B) = 0.2
Using above formula:

*************************************
1) Given
and 
Let us learn about a formula:
for dependent events
for independent events.
(a) If A and B are independent events :
Using the above formula for independent events:

(b) 
Using above formula:

<h2>Hey there!</h2>
<h3>Here's your required mode </h3>
<h3>Refer to the image above </h3>
<h3>And btw,in the earlier question I've done for mean also you can check that again which I've answered earlier. </h3>
<h2>Hope it helps</h2>