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This is the only option that correctly represents the probability of choosing the secret code “7Q” according to the picture. Thus, option (D) is correct.
Event - 1: Choosing a letter from the alphabet that is Q.
Let us assume the probability of happening of event 1 is P(Q).
Event - 2: Choosing a digit from 0-9 that is 7.
Let us assume the probability of happening of event 1 is P(7).
Now, we need to choosing the secret code that is 7Q.
We need to multiply both events to get the desired result.
Thus,
This is the only option that correctly represents the probability of choosing the secret code “7Q” according to the picture.
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Answer:
Option 4: P(7∩Q) = P(7) × P(Q)
Step-by-step explanation:
P(7∩Q) represents the probability of choosing the secret code "7Q".
If A and B are independent events, then,
P(A∩B) = P(A) × P(B)
Let A be the event of choosing a number from 0-9 and
B be the event of choosing an alphabet.
Clearly, A and B are independent.
Therefore,
P(7∩Q) = P(7) × P(Q)
Answer:
It's 64 since a right angle has to be 90° and the known acute angle is 26°
Step-by-step explanation:
All you have to do to find this answer is subtract 90 and 26 from 180.
180 - 90 - 26 = 64°