NARREND276.{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be exactly 3 incidents in a year.ANS:0.0892PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions277.{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be at least 3 incidents in a year.ANS:0.9380PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions278.{Unsafe Levels of Radioactiviy Narrative} Find the probability that there will be at least 1 incident in a year.ANS:0.9975PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions279.{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be no more than 1 incident in a year.ANS:0.0174PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions280.{Unsafe Levels of Radioactivity Narrative} Find the variance of the number of incidents in one year.ANS:6PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions281.{Unsafe Levels of Radioactivity Narrative} Find the standard deviation of the number of incidents is in one year.ANS:

2.45PTS:1REF:SECTION 7.5NAT:Analytic; Probability Distributions