Write the ratios for sin A and cos A. Need help.
1 answer:
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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
Answer:
9/8 or 1.125
Step-by-step explanation:
10 1/2 ÷ 9 2/6
= 21/2 ÷ 56/6
= 9/8
= 1.125
=》 See the attachment.
Hope it helps ⚜
