Answer:
Step-by-step explanation:
Answer:
A
because range is all values of Y but in negative side it is infinity but in positive side range is 4
Probability that first student prefers mechanical pen = 0.30
P(first student does not and second student does) = 0.70 * 0.3 = 0.21)
P( selecting 2 or fweer) = 0.30+ 0.21) = 0.51 or 51%
Answer: 30x
Step-by-step explanation:
x x
This can also be written as :
=
which could be written as :
x
= 30x