What is the probability that both diamonds diamonds

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A diamond can be classified as either gem dash quality gem-quality or industrial dash grade industrial-grade. Suppose that 87% of diamonds diamonds are classified as industrial dash grade industrial-grade.

?(a) Two diamonds diamonds are chosen at random. What is the probability that both diamonds diamonds are industrial dash grade industrial-grade?? ?

(b) Seven Seven diamonds diamonds are chosen at random. What is the probability that all seven seven diamonds diamonds are industrial dash grade industrial-grade??

?(c) What is the probability that at least one of seven seven randomly selected diamonds diamonds is gem dash quality gem-quality?? Would it be unusual that at least one of seven seven randomly selected diamonds diamonds is gem dash quality gem-quality??

?(a) The probability is ___. ?(Round to four decimal places as? needed.)

?(b) The probability is ____. (Round to four decimal places as? needed.)

?(c) The probability is ____. (Round to four decimal places as? needed.)

Reference no: EM131849221

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