Question

3                 Alex tossed a die 30 times and recorded the results in the table below:

Die Number	1	2	3	4	5	6
Total number of tosses	4	3	5	4	4	10

a)    Use the table to calculate the relative frequency of tossing a “6” as a percentage correct to one decimal place.

b)    What is the expected number of times a “6” should result when a die is rolled 30 times?

c)    Is Alex justified in thinking that the die she is tossing is biased? Give a reason for your answer.

Answer 1

Given that a die is rolled 30 times