# Sample Questions of ISI ME I (Mathematics) 2010 Discussion

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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 The cdf of a normal distribution is the error function, or erf(x). The graph looks like this http://mathworld.wolfram.com/Erf.htmlNow, imagine the graph shifted up by 0.5 (since probabilities are never negative). Basically, a symmetric graph. The mean is in the middle - 0.5 This is a very intuitive graphical way of looking at things, Im sure there is a more "mathematical" solution somewhere.
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 Thanks for the reply Soumen, so the answer to be considered is -1/2 or 0 or 1? Regards
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 In reply to this post by Amit Goyal economics no 4.
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 The wages must be equal for equilibrium. Does that help? On 09-May-2015 11:39 am, "Jim_Moriarity [via Discussion forum]" <[hidden email]> wrote: economics no 4. If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7596701.html To unsubscribe from Sample Questions of ISI ME I (Mathematics) 2010 Discussion, click here. NAML
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 Could you explain a bit more. I equated the marginal product of both the production functions. Got  equilibrium L1, L2. Then?
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 X1/X2 = (L1/L2)^0.5 x (K_bar/T_bar)^0.5 Now, substitute for L1/L2 from your earlier work. That should give you an expression for X1/X2 in terms of p1/p2. Soumen On 09-May-2015 12:10 pm, "Jim_Moriarity [via Discussion forum]" <[hidden email]> wrote: Could you explain a bit more. I equated the marginal product of both the production functions. Got Â equilibrium L1, L2. Then? If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7596709.html To unsubscribe from Sample Questions of ISI ME I (Mathematics) 2010 Discussion, click here. NAML
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 I don't get the 3rd step. :(I get L1 and L2 in terms of K,T,L.On Sat, May 9, 2015 at 12:15 PM, soumen08 [via Discussion forum] wrote: X1/X2 = (L1/L2)^0.5 x (K_bar/T_bar)^0.5 Now, substitute for L1/L2 from your earlier work. That should give you an expression for X1/X2 in terms of p1/p2. Soumen On 09-May-2015 12:10 pm, "Jim_Moriarity [via Discussion forum]" <[hidden email]> wrote: Could you explain a bit more. I equated the marginal product of both the production functions. Got Â equilibrium L1, L2. Then? If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7596709.html To unsubscribe from Sample Questions of ISI ME I (Mathematics) 2010 Discussion, click here. NAML If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7596710.html To unsubscribe from Sample Questions of ISI ME I (Mathematics) 2010 Discussion, click here. NAML
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## Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

 In reply to this post by duck If we fix 3 at third place how the no of ways would be 3!*3!*2!. Can u plz explain
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