ICQ 4 group 1

In a lucky draw bag are the numbers 1-15(inclusive of 1 and 15). Find the theoretical probability of picking an even number. 

• 7/15

• 1/2

• 3/8

• 2/3

The bar graph shows the results of spinning the spinner 200 times. What is the empirical probability of landing on a 3?

• 3/50

• 3/100

• 39/50

• 39/200

In the example data shown in the image, what is the correct syntax to find out the weighted average final grade, assuming the grade column contains marks for assignments and the weight column contains the corresponding weights?

• =SUMPRODUCT(B2:B9, C2:C9)

• =SUMPRODUCT(B2:B9, C2:C9)/SUM(C2:C9)

• =SUMPRODUCT(B2:B10, C2:C10)

• =SUMPRODUCT(B2:B10, C2:C10)/SUM(C2:C9)

Based on this Pugh Matrix, what would be a good choice of house between options A, B, C and the current house?

• Stay with the current house

• Buy house A

• Buy house B

• Buy house C

A child has been bitten by a dog. A neighbor who believes that dogs are inherently dangerous thinks that a vicious dog attacked the innocent child. Another neighbor who loves dogs thinks that the dog was defending itself against a menacing child. Neither eyewitness account is reliable due to the presence of which bias in this example?

• Survivorship bias

• Confirmation bias

• First conclusion bias

Which of the following is true about data driven decision making (DIDM)?

• It is a better approach to follow than relying on our hunch/gut feeling.

• It is free of biases

• The low performance of our predictors is always a result of poor quality of the collected data.

• It is universally applicable and always correct.