Friday
December 9, 2016

# Posts by Nima

Total # Posts: 19

Riddle
Mirror or Reflection
November 14, 2015

Service
June 8, 2015

Probability
The answer can be calculated by Central Limit Theorem. You need to find P(sn=>3) where sn= x1+x2+....+xn. So, to approximate this sum, we just need to calculate P(zn=>z) where zn=sn/(n^1/2)*standard deviation, and z= 3/2.0364. Finally, because we are dealing with the CDF...
May 26, 2015

Probability
Solution of question 2: (15*((2^6)-2))/(6^6)=0.0199 Hints: See this problem as a binary string. For example, fix a set {1,2}, then consider them as binary string {0,1}. So we know that 2^6 possible outcomes exist, which 2 out of them are {000000} and {111111}. Finally, (2^6)-2...
March 7, 2015

math
Now, I understand, thank you,thank you very much, Ms. Sue.
September 14, 2013

math
I'm trying to solve these equations but it seems I didn't get the correct one. please help if you still can. to solve the equations: 1. 0.4 =32z 2. 8n - 2 = 14 3. 2 (x + 3) = 4 Thanks a lot.
September 14, 2013

algebra
thank you very much, Steve, Ms. Sue.
September 13, 2013

algebra
September 13, 2013

math
thank you Graham.
September 13, 2013

math
September 13, 2013

algebra
How do I translate this to an equation? "A number added to -11 amounts to -22. Thanks for your help.
September 13, 2013

college algebra
Thank you so much Steve.
September 12, 2013

college algebra
Please help. Merina is moving out of her mom's house to her new house which is 14 miles away to reach her new house. Truck A offers a flat fee of \$25 and \$.40 per mile. What is the proper equation to solve the problem.
September 12, 2013

algebra
Thank you so much, Ms. Sue. appreciate it very much.
September 11, 2013

algebra
September 11, 2013

pretty sure it is 5.6 meters
April 16, 2013

math
lol u think i care
April 15, 2013

math
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
April 15, 2013

Math 6
Perimetetr
February 13, 2013

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