Question

(5) (5 points) Choose the expressions that is equal to 1, no assumptions: (i) $\sum_a P(A = a|B)$ (ii) $\sum_a \sum_b P(A = a|B = b)$ (iii) $\sum_b P(A = a|B = b)$ (iv) $\sum_a P(A = a)P(B = b)$

Name: 5 5 points choose the expressions that is equal to 1 no assumptions i suma pa ab ii suma sumb pa ab b iii sumb pa ab b iv suma pa apb b 16496
Uploaded: 2022-02-24T09:50:27-08:00
Duration: 3 min 8 s
Channel: Ameer Said
Description: 5 5 points choose the expressions that is equal to 1 no assumptions i suma pa ab ii suma sumb pa ab b iii sumb pa ab b iv suma pa apb b 16496

          (5) (5 points) Choose the expressions that is equal to 1, no assumptions:
(i) $\sum_a P(A = a|B)$
(ii) $\sum_a \sum_b P(A = a|B = b)$
(iii) $\sum_b P(A = a|B = b)$
(iv) $\sum_a P(A = a)P(B = b)$

Added by Monica N.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Ameer Said

02/24/2022

Step 1

(i) $\sum_a P(A = a|B)$: This is the sum of conditional probabilities of A given B over all possible values of A. By the law of total probability, this sum is equal to 1. (ii) $\sum_a \sum_b P(A = a|B = b)$: This expression sums the conditional probability of A Show more…

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(5) (5 points) Choose the expressions that is equal to 1, no assumptions: (i) $\sum_a P(A = a|B)$ (ii) $\sum_a \sum_b P(A = a|B = b)$ (iii) $\sum_b P(A = a|B = b)$ (iv) $\sum_a P(A = a)P(B = b)$