Complete Question
Calculating conditional probability
The usher at a wedding asked each of the 80 guests whether they were a friend of the bride or of the groom.
Here are the results:
Bride
:29
Groom
:30
BOTH : 20
Given that a randomly selected guest is a friend of the groom, find the probability they are a friend of the bride.
P (bride | groom)
Answer:
The probability is 
Step-by-step explanation:
The sample size is 
The friend of the groom are 
The friend of the groom are 
The friend of both bride and groom are
The probability that a guest is a friend of the bride is mathematically represented as

The probability that a guest is a friend of the groom is mathematically represented as

The probability that a guest is both a friend of the bride and a friend of the groom is mathematically represented as

Now
is mathematically represented as

Substituting values


Answer:
ur the one who stole my 50 points last time, now i steal urs, i remember ur profile picture. but its 2/3
Answer:
75 000 000
Step-by-step explanation:
7 500 000 times 10 = 75 000 000
Answer:8 cm by 10 cm
Step-by-step explanation:
8*2+10*2=36
8*10=80