The solution
is mathematically given as

- P(X=3)= 0.17
<h3>What is the
solution 
?</h3>
Generally, the equation for the Probability of P(X=3) is mathematically given as
b)

Therefore

P(X=3)= 0.17
c)


a)

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2/7x - 2/5x = 8
multiply both sides by 35
= 10x - 14x = 280
combine 10x and 14x
= -4x = 280
divide both sides by -4
x= -70
Answer:
1/5^15
Step-by-step explanation:
You use the exponent rule:
a^-b = 1/a^b