The probability for success of an event is P(A), and the probability of success of a second event is P(B). What is the
2 answers:
Answer:
Option B -
Step-by-step explanation:
Given : The probability for success of an event is P(A), and the probability of success of a second event is P(B).
To find : What is the probability of both events occurring, in that order?
Solution :
The probability for success of an event is P(A).
The probability of success of a second event is P(B).
As the events are independent so the probability of both events occurring, in that order is
Therefore, Option C is correct.
The probability of both events occurring, in that order is
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The area of the shaded region = 330 sq cm
Step-by-step explanation:
Given,
The radius of small circle (r) = 4 cm
The radius of large circle (R) = 11 cm
To find the shaded region
Formula
The area of circle of radius r = π sq cm
So, The radius of the small circle = π× sq cm = 16π sq cm
The radius of the large circle = π× sq cm = 121π sq cm
Hence the area of the shaded region = 121π-16π sq cm
= 105π sq cm
= 105 × sq cm = 330 sq cm