Mrs. Cooper hosts an annual art contest for kids. She has records of the number of entries for the last 9 years. She received 30
1 answer:
To graph this situation we must take into account the data and the organization of each of them on the X axis and Y axis.
<h3>How to graph this situation?</h3>To graph this situation we must take into account the data we have:
- Years
- Tickets
Based on these data, we assign the horizontal axis to count years and the vertical axis to count tickets per year. We must continue the pattern of increased attendance over the years.
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Answer: a) 0.0792 b) 0.264
Step-by-step explanation:
Let Event D = Families own a dog .
Event C = families own a cat .
Given : Probability that families own a dog : P(D)=0.36
Probability that families own a dog also own a cat : P(C|D)=0.22
Probability that families own a cat : P(C)= 0.30
a) Formula to find conditional probability :
(1)
Similarly ,
Hence, the probability that a randomly selected family owns both a dog and a cat : 0.0792
b) Again, using (2)
Hence, the conditional probability that a randomly selected family owns a dog given that it owns a cat = 0.264