Question and Answers Forum

All Questions      Topic List

Probability and Statistics Questions

Previous in All Question      Next in All Question      

Previous in Probability and Statistics      Next in Probability and Statistics      

Question Number 168035 by pete last updated on 01/Apr/22

$$\mathrm{In}\mathrm{an}\mathrm{examination},\mathrm{the}\mathrm{probability}\mathrm{of}\mathrm{charles}$$$$\mathrm{scoring}\mathrm{the}\mathrm{highest}\mathrm{mark}\mathrm{in}\mathrm{Maths},\mathrm{Physics}$$$$\mathrm{and}\mathrm{Chemistry}\mathrm{are}0.90,0.75\mathrm{and}0.80\mathrm{respectively}.$$$$\mathrm{Calculate}\mathrm{the}\mathrm{probability}\mathrm{that}\mathrm{he}\mathrm{will}\mathrm{get}$$$$\mathrm{the}\mathrm{highest}\mathrm{mark}\mathrm{in}\mathrm{at}\mathrm{least}3\mathrm{subjects}.$$

Commented by MJS_new last updated on 01/Apr/22

$$‘‘\mathrm{at}\mathrm{least}3{\mathrm{subjects}}^{″}\mathrm{with}3\mathrm{subjects}\mathrm{given}$$$$\mathrm{means}‘‘\mathrm{in}\mathrm{all}3{\mathrm{subjects}}^{″}\Rightarrow$$$$.9\times .75\times .8=.54$$

Commented by pete last updated on 02/Apr/22

$$\mathrm{Thanks}\mathrm{Sir}$$

Commented by pete last updated on 05/Apr/22

$$\mathrm{thanks}\mathrm{very}\mathrm{much}$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com