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:
its is x=0
Step-by-step explanation:
Hi,
Solving:
Answer: y = -128
Hope this helps.
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