Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

bobbym
2013-06-05 23:42:06

That is very good. Team spirit!

ShivamS
2013-06-05 23:39:14

Only 11, but it still counts. And I got around 35 posts today - 12 to math, 10 or so to chem.

bobbym
2013-06-05 23:37:27

This should up your math related posts totals!

ShivamS
2013-06-05 23:35:38

Great. Thanks both of you very much!

bobbym
2013-06-05 23:34:31

Yes, I see it now, .46935

ShivamS
2013-06-05 23:31:58

P(1 ≤ X ≤ 3) = P(X=1) + P(X=2) + P(X=3) = 0.028 + 0.132 + 0.309 = 0.469
Similarly, P(1 ≤ X ≤ 3) = P(X ≤ 3) P(X ≤ 0) = 0.472 0.002 = 0.470

bobbym
2013-06-05 23:29:56

I am not getting that for 6?!

ShivamS
2013-06-05 23:28:27

0.4695 as an average of 0.470 and 0.469

anonimnystefy
2013-06-05 23:28:24

The exact answer for 6 is 0.46935 .

bobbym
2013-06-05 23:25:21

Again, what was your answer for 6?

anonimnystefy
2013-06-05 23:23:06

3 is correct.

ShivamS
2013-06-05 23:22:50

Thank-you both very much.

bobbym
2013-06-05 23:21:57

12) Looks to be a good rounding.

ShivamS
2013-06-05 23:17:15

0.028 + 0.132 + 0.309 = 0.469 and = 0.472 0.002 = 0.470

anonimnystefy
2013-06-05 23:15:49

Hm? There is only one onswer for 6.

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