waters4745 waters4745
  • 14-05-2021
  • Chemistry
contestada

when rolling a number cube 500 times, how many times you expect to get a 3?

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doridafishy
doridafishy doridafishy
  • 14-05-2021

Answer:

[tex]\frac{250}{3}[/tex]

Explanation:

you can expect to get a 3 (theoretically) 1 time every 6 times you roll. A 1/6 chance.

Here's the equation:

[tex]\frac{1}{6} =\frac{x}{500}[/tex]

cross multiply (i think that's what it is called)

500=6x

divide by 6 on both sides:

x=[tex]\frac{250}{3}[/tex] or approx 83 times.

Hope this helps! Lmk if u have more questions <3

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