returns 69.41. If the average egg weighs 63 g with a standard deviation of 5 g, then there will be 90% probability that the egg will not be heavier than 69.41 g.
返回 69.41。如果鸡蛋的平均重量为 63 克，标准偏差为 5，则鸡蛋不超过 69.41 克的概率为 90%。