i was abt to write it :) but u googled it :D On Mon, Aug 29, 2011 at 5:57 PM, Naman Mahor <[email protected]> wrote:
> i hv googled it and the answer is like > The enemy aircraft will be brought down even if one of the four shots hits > the aircraft. > > The opposite of this situation is that none of the four shots hit the > aircraft. > > The probability that none of the four shots hit the aircraft is given by > (1-0.7)(1-0.6)(1-0.5)(1-0.4) = 0.3*0.4*0.5*0.6 = 0.036 > > So, the probability that at least one of the four hits the aircraft = 1 – > 0.036 = 0.964. > > > On Mon, Aug 29, 2011 at 5:54 PM, vishwa <[email protected]> wrote: > >> is it 0.55... >> >> >> On Mon, Aug 29, 2011 at 5:49 PM, Abhishek Yadav < >> [email protected]> wrote: >> >>> i guess it would be .... 0.7 + 0.3*0.6 + 0.3*0.4*0.5 + 0.3*0.4*0.5*0.4 >>> =.964.....correct me if i am wrong.?? >>> >>> >>> On Mon, Aug 29, 2011 at 5:34 PM, Naman Mahor <[email protected]>wrote: >>> >>>> An anti aircraft gun can fire four shots at a time. If the probabilities >>>> of the first, second, third and the last shot hitting the enemy aircraft >>>> are >>>> 0.7, 0.6, 0.5 and 0.4, what is the probability that four shots aimed at an >>>> enemy aircraft will bring the aircraft down? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- *Dheeraj Sharma* Comp Engg. NIT Kurukshetra +91 8950264227 -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
