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December 19, 2014

December 19, 2014

Posted by **Sunny** on Saturday, January 23, 2010 at 11:50am.

A) None will suffer or has suffered a hip fracture P(x = 0)

B) At least 4 have suffered a hip fracture P(x ¡Ü 4)

C) Fewer than 2 have suffered a hip fracture P(x < 2)

- Stats -
**Sunny**, Saturday, January 23, 2010 at 4:55pmIs this right for A)

n=6

p=P(.38)

q= 1-.38=.62 q=P(.62)

P(x=0)= 6C0= 6!/ 0!(6-0)!= 6!/0!(6)!=

6*5*4*3*2*1/1*6*5*4*3*2*1= 720/720= 1

6C0 (.38)0 (.62)6= (1)(1)(.0568)= .0568

so P(x=0)= .0568?

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