资源描述：
《概率论与数理统计(第四版）（盛骤）7.5 补充例题.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、包糖机某日开工包了12包糖,520,512,485.解位:克)分别为506,500,495,488,504,486,505,513,521,假设重量服从正态分布,称得重量(单补充1附表1-1查表得附表1-2解补充2解(续例1)补充3解甲、乙两台机床加工同一种零件,加工的零件中抽取9个样品,信区间.在置信度由所给数据算得0.98下,中抽取6个样品,方差分别为假定测量值都服从正态分布,的置试求这两台机床加工精度之比并分别测得它们的长度(单位:mm),在机床乙加工的零件在机床甲补充4附表1-1标准正态分布表z01234567890.00.10.20.30.40.50
2、.60.70.80.91.01.11.21.31.41.51.60.50000.53980.57930.61790.65540.69150.72570.75800.78810.81590.84130.86430.88490.90320.91920.93320.94520.50400.54380.58320.62170.65910.69500.72910.76110.79100.81860.84380.86650.88690.90490.92070.93450.94630.50800.54780.58710.62550.66280.69850.73240.764
3、20.79390.82120.84610.86860.88880.90660.92220.93570.94740.51200.55170.59100.62930.66640.70190.73570.76730.79670.82380.84850.87080.89070.90820.92360.93700.94840.51600.55570.59480.63310.67000.70540.73890.77030.79950.82640.85080.87290.89250.90990.92510.93820.94950.51990.55960.59870.6368
4、0.67360.70880.74220.77340.80230.82890.85310.87490.89440.91150.92650.93940.95050.52390.56360.60260.64060.67720.71230.74540.77640.80510.83150.85540.87700.89620.91310.92780.94060.95150.52790.56750.60640.64430.68080.71570.74860.77940.80780.83400.85770.87900.89800.91470.92920.94180.95250
5、.53190.57140.61030.64800.68440.71900.75170.78230.81060.83650.85990.88100.89970.91620.93060.94300.95350.53590.57530.61410.65170.68790.72240.75490.78520.81330.83890.86210.88300.90150.91770.93190.94410.95451.645返回z01234567891.61.71.81.92.02.12.22.32.42.52.62.72.82.93.00.94520.95540.964
6、10.97130.97720.98210.98610.98930.99180.99380.99530.99650.99740.99810.99870.94630.95640.96480.97190.97780.98260.98640.98960.99200.99400.99550.99660.99750.99820.99900.94740.95730.96560.97260.97830.98300.98680.98980.99220.99410.99560.99670.99760.99820.99930.94840.95820.96640.97320.9788
7、0.98340.98710.99010.99250.99430.99570.99680.99770.99830.99950.94950.95910.96710.97380.97930.98380.98710.99040.99270.99450.99590.99690.99770.99840.99970.95050.95990.96780.97440.97980.98420.98780.99060.99290.99460.99600.99700.99780.99840.96980.95150.96080.96860.97500.98030.98460.98810
8、.99090.99310.99480.
