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Christine had a six-sided dice numbered from 1 to 6. She rolled it a total of 50
times. It landed on an odd number 21 times.
a) Work out the relative frequency of the dice landing on an odd number. Give
your answer as a decimal.
b) If the dice were fair, what would the theoretical probability of it landing on an
odd number be? Give your
answer as a decimal.
c) Is the dice definitely biased or definitely not biased, or is it impossible to tell?
Write a sentence to explain your answer.