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a) COVID-19 positive rate is calculated by the number of positive results over the total number of test done. 1.33% positive rate is reported for

a)

COVID-19 positive rate is calculated by the number of positive results over the total number of test done. 1.33% positive rate is reported for COVID-19 in Malaysia.

(i)

Find the probability that, in a random sample of 10 tests done, exactly 8 tested negative. (2 marks)

(ii)

Find the probability that, in a random sample of 1000 tests done, not more than 25 tested positive. (4 marks)

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