# Posts by Nima

Total # Posts: 19

**Riddle**

Mirror or Reflection

*November 14, 2015*

**Business**

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**

please help. how do I solve this equation- 7x + 4 = 5x + 16

*September 13, 2013*

**math**

thank you Graham.

*September 13, 2013*

**math**

Please help equation To solve b + 12 = 14

*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**

Please help, I am confused with this problem. My problem is: Beaver Stadium has a capacity of 1081 more than Michigan Stadium. If the combined capacity for the two stadiums is 213,483, find the capacity of each stadium?

*September 11, 2013*

**Physics :(( help please TT**

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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