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# more from S2 june 03 watch

1. hey...since no one seems to have the actual markscheme for this, can anyone help me with a few problems?

in a continuous uniform distribution (in this case drinks dispensed between 180 and 200ml) what is the probability of an exact number e.g. P(X=183) as opposed to P(X<183)?

thanks x
2. board?
3. I think it is
P(X<183.5)-P(x<182.5)
But not sure.
4. It is zero as it is continuous distribution and is asking for the probability of an exact value.
5. (Original post by jazzyj)
hey...since no one seems to have the actual markscheme for this, can anyone help me with a few problems?

in a continuous uniform distribution (in this case drinks dispensed between 180 and 200ml) what is the probability of an exact number e.g. P(X=183) as opposed to P(X<183)?

thanks x
1/20?
6. eek lots of different answers! so is it that u cant get an exact value (ie probability equals zero) or that you do it between the upper and lower bound (ie 1 multiplied by f(x))?
7. It is just a rule, an exact value on the continuos distribution is 0, I think the probability is the area of the bounds under the graph, so if x = 183 then it would not have an area, therefore is 0.

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