University officials say that at least 70% of the voting student population supports a fee increase. If the 95% confidence inter
1 answer:
You might be interested in
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:
The given equation is,
The graph of the function is shown below with the table of values use to plot the graph
Hence, the correct option is Option A.
