bebakhjid man bad tozih dadam
fasele etminan 2tarafe hast soaletun
zarib etminan :0.95=1-a
=> a=0.05
=>1menhaye alfa dovom barabar hast ba 0.975
adad 0.975 ro tu jadval peyda mikonim, (andis z
z=1.96
fasele etminan 2tarafe hast soaletun
zarib etminan :0.95=1-a
=> a=0.05
=>1menhaye alfa dovom barabar hast ba 0.975
adad 0.975 ro tu jadval peyda mikonim, (andis z
z=1.96