Given X~ N(20,16), find c. P( 19 < X<23) (4 decimal place)

Q: I got 0 but idk if thats correct please show all work

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A: We have given thatP(A ∪ B) = 0.3P(A) = 0.6P(Bc) = 0.7

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A: X~Binomial(n=6 , p=0.7) then find P(X=4)=?

Q: Given X N(20,16), find b. P (X <19) (4 decimal place)

A: X~N( μ , ?2 )   μ=20 , ?=4   Z-score =( x - μ )/?

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A: Given X~N(19, 2.5)

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Q: suppose that X~N (2, oʻ), AP (2<X<4) =0.3, then P(X<0)= A.0.3 B.0.2 C.0.8 D.0.1

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