Which of the following statements BEST reflects an “ethnoconscious” approach to provision of social services?

Which of the following statements BEST reflects an “ethnoconscious” approach to provision of social services?

a. Social workers include ethnic sensitivity and empowerment approaches that promote appreciation for the strengths of ethnically diverse communities.

b. Services are provided by social workers with the same ethnic background and national origin as the clients that are served.

c. Social workers are focused on bringing about social change through providing empowerment services to clients.

d. Social workers understand culture and social class differences.

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Prove that the hypothesis class of all conjunctions over d variables is PAC learnable and bound its sample complexity.

1.  In this question, we study the hypothesis class of Boolean conjunctions defined as follows. The instance space is X ={0,1}d and the label set is Y ={0,1}. A literal over the variables x1, . . ., xd is a….

Show that for every probability distribution D, the Bayes optimal predictor fD is optimal, in the sense that for every classifier g from X to {0,1}, LD( fD) ≤ LD(g).

1. Let H be a hypothesis class of binary classifiers. Show that if H is agnostic PAC learnable, then His PAC learnable as well. Furthermore, if A is a successful agnostic PAC learner for H, then A is also a….

. Show that the algorithm just described satisfies the requirements for being a RP solver for ERMH.

1. On the basis of the preceding, prove that for any k ≥ 3, the ERMHnk problem is NP-hard. 2 In this exercise we show that hardness of solving the ERM problem is equivalent….