Question: Please answer 4-6 4. lest the validity olithc following argument by using a truth table. If it is invalid. produce W ~avb ~11 (bAclaa NC

Please answer 4-6

4. lest the validity olithc following argument by using a truth table. If it is invalid. produce W ~avb ~11 (bAclaa NC 5. Test the validity of the following argument by using a Venn diagram. First draw a Venn diagram with the proper number of sets (circles) and label all the regions. a. Which region or regions represent the intersection of the premises? b. Which region or regions represent the conclusion? C. Is the above argument valid or invalid? 6. In San Diego, California, a sample of 444 businesses was surveyed to determine which overnight mailing services they used. The following information was determined. 189 used Federal Express 205 used United Parcel Service 122 used Airborne 5 7 used Federal Express and United Parcel Service 34 used Federal Express and Airborne 30 used United Parcel Services and Airborne 22 used all three How many used: a. None of these services? h. Only Airborne? c. Exactly one of the services? d. Exactly two of the services? 6. Federal Express g United Parcel Services? 2

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