Customers of Monopoly Megacable Internet have either business or personal accoun

Question

Customers of Monopoly Megacable Internet have either business or personal accounts, and can choose between "regular, " "high-speed", or "warp-speed" service. Suppose a customer is chosen at random. Consider the following events: B The customer has a business account. R the customer has regular service. H the customer has high-speed service. Select the correct formula or statement in each case (a) The customer has a personal account with high-speed service. A B Intersection H B B Union H C B' Intersection H D B' Union H (b) The customer has a business account with warp-speed service. A B Intersection (R Intersection H)' B B Intersection (R Union H) C B Intersection (R Intersection H) D B Intersection (R Union H)' (c) B' Intersection R A The customer has a personal account with regular service. B The customer has a business account with high- or warp-speed service. C The customer has a personal account or has regular service. D The customer has a business account with regular service.

Explanation / Answer

a) as customer has personal account=1-customer has business account=1-B =B'

therefore option C is correct --B'nH

b)

as warp speed =1-none of regular or high speed device =1-RUH=(RUH)'

hence option D is correct ---Bn(RUH)'

c)

option A is correct ; the customer has a personal account with regular service

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