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3.It is known that 40% of voters in a large electorate are in favour of a particular policy. A random sample of 80 voters is

3.It is known that 40% of voters in a large electorate are in favour of a particular policy. A random sample of 80 voters is taken from the electorate. What is the probability that less than 30 of those sampled are in favour of the policy? Assume the conditions are satisfied and do not need to be checked. SHOW SOME WORKINGS TO SUPPORT YOUR ANSWER.

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