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Sagot :
The P(B|A) expressed in the simplest form will be (B) 2/7.
What is probability?
- Probability is an area of mathematics that deals with numerical descriptions of how probable an event is to occur or how likely a statement is to be true.
- The probability of an event is a number between 0 and 1, where 0 denotes the event's impossibility and 1 represents certainty.
To find the P(B|A) expressed in the simplest form:
Given -
- Event A = the first digit is less than 5
- Event B = the second digit is less than 5
Total possible numbers = 2,3,4,5,6,7,8,9
Let the value of the number be AB.
- The total possible values below 5 are 2,3, and 4.
- The probability of the first digit is less than 5, P(A) = 3/8.
- The second digit is less than 5, P(B/A) = 2/7.
Therefore, the P(B|A) expressed in the simplest form will be (B) 2/7.
Know more about probability here:
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The complete question is given below:
A locker combination consists of two non-zero digits. The digits in a combination are not repeated and range from 2 through 9.
Event a = a first digit is an odd number
Event b = the second digit is an odd number
If a combination is picked at random with each possible locker combination being equally likely, what is P(B/A) expressed in the simplest form?
A.1/4
B.2/7
C.4/9
D.1/2
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