Inverse cumulative normal dis help

  • Thread starter bayan
  • Start date
  • #1
bayan
203
0
any one know how to solve for [tex]k[/tex] in the following question?

[tex]Pr(X<k|X<23)=0.32[/tex] where [tex]X-N(22,25)[/tex].

I just can't get it.

cheers n thanks in advance.
 

Answers and Replies

  • #2
TenaliRaman
644
1
P(X<k|X<23) = 1 if k >= 23 why??
if k<23, then
P(X<k|X<23) = P(X<k)/P(X<23) why??

-- AI
 
  • #3
bayan
203
0
doesn't work out and they have the answer as 17.525 in book.

any helps
 
  • #4
EnumaElish
Science Advisor
Homework Helper
2,327
124
What does this notation mean: [itex]X-N(22,25)[/itex] ? Can you express it with words?
 

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