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:
Step-by-step explanation:
Using the Quotient rule:
We can subtract the exponents of x and y:
Therefore,
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The answer is 456
This the answer 456
Answer:
You know that you can look it up then you can see the answer right away
Step-by-step explanation:
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