Question

7) Find the requested area for the indicated Chi-Square curve. a) df = 10; area to the right of 14.76 b) df -5; area to the right of 8.3 c) df - 6; area to the right of 6

Answer 1

Solution : et a romeow verable Xv ) Xm as thsulot, и си и degree of фоиди Let n=10 си » а P( x> 1476) 0.1Ч1 1 (4.76 Hence Area to the і О. /Ч 1 / nights of Rio (Clio- 14. 70

Let n=5. in Ax783) - О./40 Hence area to the right 92 орех во О. (бS 2 s) (а. 0 9.3

C of n = 6 lica Ax76) - оказа tower accea to like na efs to о Ча3а. 6 ) о 6

Xu Solcelionill Ket a random variable Tv distributions to the ndegaue vof freedom.

a Let P( т< s. C) - 0.7698 Hence the area to the left of s-6/ 8 0.7c98. -Х) Se/

Let n=9 then , p(x<0.344) = 0.5001 tence the area to the left of 8.344 ių 0.5001 fa 8.344

© Let n = 1 then, p( x < 11) = 0.5567 to the left of ll is Hence area 0.5567 ~2 Main