Step-by-step explanation:
2.5 + 0.15p = 0.4p
0.25p = 2.5 (subtract 0.15p on both sides)
p = 10 (multiply 4 on both sides)
What tables? i don't see any
Answer:

Step-by-step explanation:

Hope this helps!
<u>Answer:</u>
1 ,
(Answer)
<u>Step-by-step explanation:</u>
Since, 8 chips are selected at random and 5 are there defectives in the lot, So, at least (8 - 5) = 3 chosen chips will be non - defective.
So, P ( At least two of selected part is non defective ) = 1 .
P(first and second samples are defective)
= 
P ( first, second and third samples are defective)
= 
So,

=
= 
=
(Answer)
If this helps I got 2,-3 when I plug it into the graph though it says 2,3