Suppose that a certain ant has a mean lifespan of 5.6 days with astandard deviation...
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Suppose that a certain ant has a mean lifespan of 5.6 days with astandard deviation of 1.4 days. Assume that the lifespan of thisinsect is approximately normally distributed.(a) Calculate the percentage of ants with a life-spanless than 4 days.(b) Calculate the percentage of ants with a life-spanless than 7.4 days.(c) Calculate the percentage of ants with a life-spanmore than 4 days.(d) Calculate the percentage of ants with a life-spanmore than 7.4 days(e) Calculate the percentage of ants with a life-spanbetween 4 and 7.4 days.(n) Seventy percent of the ants will die within howmany days?(g) Eight percent of ants will die within how manydays?(h) After how many days are twenty percent of theants still alive?
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