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/2 % of working adults in Singapore prefer online shopping. (a) If you randomly select 8 working adults, what is the probability that at least

/2 % of working adults in Singapore prefer online shopping. (a) If you randomly select 8 working adults, what is the probability that at least 6 of them prefer online shopping? Give your answer to 4 decimal places. (4 marks) (b) If you randomly select 10 working adults, what is the probability at most 3 of them do not prefer online shopping? Give your answer to 4 decimal places. (4 marks)

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