Which of the following is a quantitative variable? [tex]a[/tex] ) the texture of a rug b) the breed of a dog c) the numbers of toppings on a pizza d) the colour of a person's hair
Let A be the set of face cards (Jack, Queen, King) and B be the set of all of the diamonds in a regular deck of cards. Which statement is not true? a) [tex]N(A \cup B)=22[/tex] b) [tex]N(A)=9[/tex] c) [tex]N(A[/tex] and [tex]B)=3[/tex] d) [tex]n(B)=13[/tex]
At your favourite restaurant, you can choose between 8 appetizers, 6 main courses, and 4 desserts. If you decide to choose 1 appetizer, 1 main course, and 1 dessert, how many different ways are there for you to do this? a) 13200 b) 18 c) 140 d) 192
What is the number in row 9, position 7, of Pascal's triangle? a) 36 b) 84 c) 8 d) 28
For a linear regression, [tex]r^2=0.42[/tex]. What kind of correlation exists between the variables? a) no correlation b) weak correlation c) strong correlation d) moderate correlation e) very strong correlation