21 DE cortidenceinterval - PowerPaint Transit ons Animat ons Slide Show Review View Help O Tel me 2 Share Home =-=-年- of Editing Shapes Arrange Quick Styles Drawing Paste Slide Font Paragraph sap Shielalyn L Solve. 1. The dally salarles of security guards for 10 securlty agencles are as follows: P350, P400, P375, P420, P500, P470, P380, P450, P520, and P490. What is the polnt estimate for the mean? Find 13 14 the 95% confidence interval of the mean for the salaries of security guards in the area. 2.A recent study of 22 motorists showed that they spent an average of P750 per week. The standard deviation of the sample was P90. Find the 90% confldence Interval of true mean. 15 Höney Mae A 61 Jevermar Abro Slide 13 of 20 0 Frolish Philinine 4:39 AM | ktn-ghbv-frx 21°C er F8 F10 F12 Sar Lk PrtSc SysRq %23 %24 3. 7. P. H &D K B W !N &

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