The probability of a piece of junk mail being opened is 0.70. A pernon receives 50 pieces of junk mail in one day. Using the nomal approimation to the binomial, fnd the probability that at least 32 pieces are opened, O Enter your anwer asa decimal number comect to 4 decimal places. NEGATIVE z Scores Standard Normal (2) Distribubion Curmulative Area from the LEFT

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