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what is the probability of selecting a red ball?

2007-10-19 16:18:08 · 7 answers · asked by Anonymous in Science & Mathematics Physics

7 answers

3/15 = 1/5 just the number of red balls over the total number of balls.

2007-10-19 16:21:07 · answer #1 · answered by rscanner 6 · 0 0

The answer is 1 of 3 because they are asking what is the probability of selecting 1 red ball from only 3 red balls that you know are in the bag.

2007-10-19 19:41:53 · answer #2 · answered by Anonymous · 0 1

4 pink balls numbered a million via 4, and 3 blue balls numbered 3-5, are placed in a bag, a ball is drawn from the bag. discover the possibility of identifying on a pink or 5 ball. communicate with question merely asked, discover the possibility of identifying on a blue or 4 ball? A spinning wheel a million,4,5,8 are white; discover possibility of spinning a white or 8? [2,3,6,7 are black; discover possibility of spinning black or an excellent selection whilst finding possibility, you identify the full form of opportunities, and enter that interior the denominator y in x/y. The form of wanted or actual effects you enter in x, the numerator. Then divide or simplify. have you ever tried interpreting your math e book? loads of this might desire to alter into much less complicated and greater relaxing once you study and realize it your very own self. you will enhance a feeling of satisfaction in being waiting to do it your very own self, and you'll want relaxing doing it. occurred to me. identifying on a pink: 4 out of seven threat. identifying on the 5: a million out of seven threat. identifying on a blue: 3 out of seven identifying on a 4: 2 out of seven White: 50% or 4 out of 8 8: 12.5% or a million out of 8 Black: 50% or 4 out of 8 Even: 50% or 4 out of 8. I even have got here across a cyber web lesson which seems to make it sparkling and elementary. i'm hoping which you will supply it a try. :)

2016-12-29 19:11:19 · answer #3 · answered by lanahan 4 · 0 0

This takes me back to middle school........there is 15 balls....3 are red...the probability is always stated in percent form or ratio.....so 20% or 1:5..........

2007-10-19 16:29:55 · answer #4 · answered by Lady Basha 2 · 0 0

1 in 5.

Doug

2007-10-19 16:26:41 · answer #5 · answered by doug_donaghue 7 · 0 0

3 in 15;

20%

2007-10-19 16:21:44 · answer #6 · answered by eric l 6 · 0 0

less than .3456%

2007-10-19 16:33:51 · answer #7 · answered by that'sBS 3 · 0 0

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