A telephone company has no.'s between 3000-3799.A Company called X uses the numbers from 3300-3499.Out of these managers of Division1 level use numbers ending with 0 or 1.What percent of the telephone company numbers are used byManagers of Division1

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 09:00:36
A telephone company has no.'s between 3000-3799.A Company called X uses the numbers from 3300-3499.Out of these managers of Division1 level use numbers ending with 0 or 1.What percent of the telephone company numbers are used byManagers of Division1
xJ@_e.KM7MVBѫxפ6tbCA,VØ Pt0}]E-ͤEj) 55Tt$BȺy؞g@kUmʶYI%)VWs, P“XdGnR HK:@Cw5 ` ₅vB0~!K6wFbxŸ.vIeH 2᾽ΐ$>΃n+)cK|Y_I

A telephone company has no.'s between 3000-3799.A Company called X uses the numbers from 3300-3499.Out of these managers of Division1 level use numbers ending with 0 or 1.What percent of the telephone company numbers are used byManagers of Division1
A telephone company has no.'s between 3000-3799.A Company called X uses the numbers from 3300-3499.Out of these managers of Division1 level use numbers ending with 0 or 1.What percent of the telephone company numbers are used by
Managers of Division1 level of Comany

A telephone company has no.'s between 3000-3799.A Company called X uses the numbers from 3300-3499.Out of these managers of Division1 level use numbers ending with 0 or 1.What percent of the telephone company numbers are used byManagers of Division1
3300~3499尾数为0或者1的一共有2x20=40个,所以比例是40/800=5%

Managers of Division 1 level of Company X用的电话号码为:3300, 3301, 3310, 3311,......, 3490, 3491共20个。总共有800个电话,故2.5%的电话被使用。