Question

Suppose that A,B⊂S such that Pr[A|B]=3/7, Pr[A]=9/20 and Pr[B′]=13/20. What is Pr[B|A′]?

Suppose that A,B⊂S such that Pr[A|B]=3/7, Pr[A]=9/20 and Pr[B′]=13/20. What is Pr[B|A′]?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Solution:

Given:

Pr[A] = 9/20

then

Pr[A' ] = 1 - Pr[A]

Pr[A' ] = 1 - 9/20

Pr[A' ] = ( 20-9) / 20

Pr[A' ] = 11 / 20

Pr[B′]=13/20

then

Pr[B]=1 - Pr[B′]

Pr[B]=1 - 13/20

Pr[B]=(20-13) / 20

Pr[B]=7/20

Also we have:

Pr[A|B]=3/7

then

We have to find:

Pr[B|A′] =.........?

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Events A1,A2, and A3 form a partition of sample space S with Pr(A1)=3/7, Pr(A2)=3/7, Pr(A3)=1/7. E...
Events A1,A2, and A3 form a partition of sample space S with Pr(A1)=3/7, Pr(A2)=3/7, Pr(A3)=1/7. E is an event in S with Pr(E|A1)=3/5, Pr(E|A2)=2/5, and Pr(E|A3)=3/5. What is Pr(E)? What is Pr(A2|E)? What is Pr(E')? What is Pr(A2'|E')?
If N is negative binomial with parameters k=3 and p=0.3,what are Pr[N=3],Pr[N=4], Pr[N=5] ,Pr[N=6], and Pr[N=7]?
If N is negative binomial with parameters k=3 and p=0.3,what are Pr[N=3],Pr[N=4], Pr[N=5] ,Pr[N=6], and Pr[N=7]?
1. Suppose X~N(0,1), what is Pr (0<X<1.20) 2. Suppose X~N(0,1), what is Pr (0<X<1.96) 3. Suppose...
1. Suppose X~N(0,1), what is Pr (0<X<1.20) 2. Suppose X~N(0,1), what is Pr (0<X<1.96) 3. Suppose X~N(0,1), what is Pr (X<1.96) 4. Suppose X~N(0,1), what is Pr (X> 1.20) Please use step by step work. I'm struggling with grasping the process. Thank you.
Suppose x1, x2…x25 ~ iid N(2,100). Find a. Pr(x̅< -1.5) b. Pr(s2 < 45.235) c. Pr[x̅<...
Suppose x1, x2…x25 ~ iid N(2,100). Find a. Pr(x̅< -1.5) b. Pr(s2 < 45.235) c. Pr[x̅< 2 + 0.3422(s)]
10. Suppose we throw two fair dice. What is the probability that their sum is 9?...
10. Suppose we throw two fair dice. What is the probability that their sum is 9? 11. Suppose that A and B are events with A ⊂ B such that Pr(A) > 0. How many of the following statements are true? 0? 1? 2? (a) Pr(B | A) = 1, (b) Pr(A | B) = Pr(A)/Pr(B). 12. A family has two children including at least one daughter. What is the probability that they have two daughters? 13. Compute lim(1 +...
solve 3+5+7+9+11+13.......+521
solve 3+5+7+9+11+13.......+521
A dataset follows. xi 2 6 9 13 20 yi 7 18 9 26 23 The...
A dataset follows. xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation is ˆy= 7.6 + 0.9x, SSE = 127.3, and Σ(xi − ̄x)^2 = 190. a. What is the value of the standard error of the estimate? b. Test for a significant relationship by using the t test (α=.05).
1. Suppose X~N(0,1), what is Pr (X< -1.96) 2. Suppose X~N(0,1), what is Pr (1.20 <X<1.96)...
1. Suppose X~N(0,1), what is Pr (X< -1.96) 2. Suppose X~N(0,1), what is Pr (1.20 <X<1.96) 3. Suppose X~N(0,1), what is Pr ( -1.96<X< 1.20) Please use step by step work. I'm struggling to grasp the concepts. Thank you.
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation...
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation is ŷ = 7.6 + .9x. What is the value of the standard error of the estimate (to 4 decimals)? What is the value of the t test statistic (to 2 decimals)? Use the F test to test for a significant relationship. Use α = .05. Compute the value of the F test statistic (to 2 decimals).
1. Let X be a discrete random variable. If Pr(X<6) = 1/5, and Pr(X>6) = 1/7,...
1. Let X be a discrete random variable. If Pr(X<6) = 1/5, and Pr(X>6) = 1/7, then what is Pr(X=6)? Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12). 2. A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints 0...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT