Six numbers are randomly selected from 45 numbers. Once a number is selected it is not replaced. Determine the probability of correctly predicting:(adsbygoogle = window.adsbygoogle || []).push({});

a) exactly four of the six numbers

b) at least four of the six numbers.

a) 45C4/45C6 = 1.83% chance

b) 45C4*4 / 45C6 = 7.317%

if anyone would be able to help, thanks alot.

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# Homework Help: Probability question

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