2 years ago

Reflection across x=-2

Mathematics

2 answers:

lara31 [8.8K]2 years ago

6 0

Hello,

answer in the jointed picture

shutvik [7]2 years ago

4 0

X=2 that’s the correct answer

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Step-by-step explanation:

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$P(X=7)=^{20}C_7(0.25)^7(1-0.25)^{20-7}$

$P(X=7)=\dfrac{20!}{7!(20-7)!}(0.25)^7(1-0.25)^{20-7}\ \ [\because\ ^nC_r=\dfrac{n!}{r!(n-r)!}]$

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Reflection across x=-2​

Reflection across x=-2