Thirty-six of the staff of 80 teachers at a local intermediate ...

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Thirty-six of the staff of 80 teachers at a local intermediate school are certified in Cardio-Pulmonary Resuscitation (CPR). In 180 days of school, about how many days can we expect that the teacher on bus duty will likely be certified in CPR?
 
  A) 81 days B) 45 days C) 5 days D) 65 days

Question 2

To evaluate two categorical variables at the same time, a ________ could be developed.
 
  Fill in the blank(s) with correct word

[medine]

Answer to Question 1

A

Answer to Question 2

contingency or cross-classification table or side-by-side bar chart

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Thanks for the timely response, appreciate it

[meganmoser117]

Gracias!