TABLE 13-6 Let X and Y be two random variables each X -1 ! luking three values -1, 0 and 1, and having the joint probability distribution as given in Table 13.6. Y -- 1. Obtain the marginal prvbability distributions of X and Y and hence their expected values. •2 •2 1.

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A: Sex weight grade f 67 2,3 m 108 3,7 m 75 1,7 d 70 2 f 71 2,7 f 73 1   Sex Category...

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A: From the provided information, Sample size (n) = 11 Confidence level = 95%

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Q: Q2 (Bayes' Theorem) It is given that P(B|A) – 0,15. P (B|A) = 0.03 and P (A) = 06. Compute P(A|B). %...

A: Ac=A bar  P(B/A)=0.15, P(B/Ac)=0.03, P(A)=0.60, P(A/B)=? 

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A: According to the given information, we have Mean = 3.54 Standard deviation = 0.63

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A: Case 6:

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Q: age normally distributed

A: Solution

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Q: Find the value of the standard normal random variable z, called zo such that: (a) P(z zo) 0.2078 Zo...

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Q: Question b. Find the percentage of these adults who possess 7 or fewer credit cards. c. Draw an og...

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A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

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Q: Suppose that C and D are two events such that P(C)=1/2 and P(C & D)=3/10. What is P(D|C)​?

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Q: Example 18-4. Let X - N(u, 4), µ unknown. To test Ho : u = -1 against H1 : µ = 1, based on a sample ...

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A: We have given that.   X~N( μ , ?^2 )   μ =266 , ? =16 , n=16   Z-score =( x - μ )/?  

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Q: Determine the sample standard deviation,s, for the following set of sample data. Hint:   =23  x   (...

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Q: d) What's the probability that the individual didn't like vehicle #2 but s/he liked vehicle #3 e) ( ...

A: Given that P(A3) =0.55, p(A2 ∩A3) =0.30, P(A2) =0.40  

Q: 0.07 0.08 0.04 0.03 0.02 0.08 a. What is the probability that the next shirt sold is a medium, long-...

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