In a recent survey, 8 people were each as the number of times they have been on an airplane. Here is a list of the responses 10,
2 answers:
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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:
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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: