Question 1

A section of the Murray River is known to contain four types of fish. A random sample of fish is taken from the river and the results are recorded. The fish are released back into the river.

Type of fish	Murray cod	Redfin	Catfish	Murray perch
Number in sample	13	10	12	3

Question 1a to b - multiple choice question

a	The total number of fish taken was:
	16	35	38
b	The percentage relative frequency of redfin, correct to the nearest whole number was:
	10 %	26 %	34 %