Question: ForX X normal with = 10 =10 , = 15 =15 and a sample size of 42,P ( X < 7 ) = P(X <7)=

ForX

X

normal with

=

10

=10

,

=

15

=15

and a sample size of 42,P

(

X

<

7

)

=

P(X<7)=

Note: round yourz

z

score to two decimals places

  • 0.5793.
  • 0.9032.
  • 0.0968.
  • 0.4207.
  • none of the above.

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