平板架飛輪車專用「平板固定架」 @ 台灣樂天全站4.8折起

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平板架飛輪車專用「平板固定架」

功能:

平板架飛輪車專用「平板固定架」

描述:

適用平板規格：

最大/最小厚度 1公分/不限

最大/最小高度 22公分/11公分

最大/最小寬度不限/不限

適用手把規格：

最大/最小直徑 4公分/1.5公分

產品規格：

產品收起最小尺寸（寬x高x厚） 16x14.5x9.5公分

產品展開最大尺寸（寬x高x厚） 24.5x14.5x9.5公分

產品材質黑色ABS塑膠、金屬螺桿、接觸平板面皆有黑色泡棉覆蓋

平板架飛輪車專用「平板固定架」

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標題:

呢D Normal Distribution點揾?????

發問:

The daily earning of taxi driver are normally distributed with a mean $500 and a standard deviation of $50.(a) What is the probability that the earnings on a particular day will be over $600?(b) What is the probabilty that the earnings on a particular day will be between $420 and $530?(c) Above what values... 顯示更多 The daily earning of taxi driver are normally distributed with a mean $500 and a standard deviation of $50. (a) What is the probability that the earnings on a particular day will be over $600? (b) What is the probabilty that the earnings on a particular day will be between $420 and $530? (c) Above what values will 90% of the daily earnings be expected to lie?

最佳解答:

The daily earning of taxi driver are normally distributed with a mean $500 and a standard deviation of $50. Let $X be the earnings on a particular day, (a) What is the probability that the earnings on a particular day will be over $600? P(X>600) = P(Z>(600-500)/50) = P(Z>2) = 0.5 - 0. 4772 = 0.0228 (b) What is the probabilty that the earnings on a particular day will be between $420 and $530? P(420
其他解答:

平板架飛輪車專用「平板固定架」

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金屬螺功能高度平板尺寸

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