What will be the value of grade after executing the followin…

What will be the value of grade after executing the following code?  ================= var grade: Character let score = 78   switch score { case 90…100:    grade = “A” case 80…89:    grade = “B” case 70…79:    grade = “C” case 61…69:    grade = “D” default:    grade = “F” }  

Do you think your gender affects what type of pet you own? U…

Do you think your gender affects what type of pet you own? Use the following table, showing preferences for various pets by owner gender Pets and Owners Gender of the owner Cats Dogs Other Pets Total Male 100 50 30 180 Female 50 50 20 120 Total 150 100 50 300 Find the probability that a randomly chosen person owns a cat, P(C). Round your answer to three decimal places if needed.