Answer: D. n > -4
Step-by-step explanation:
<u>Given</u>
-3n < 12
<u>Divide both sides by -3. REMEMBER to change the [>,<] signs when multiplying or dividing a negative term</u>
-3n / -3 > 12 / -3
n > -4
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Answer:
what p-by-step explanation:
Ok do you need help with
Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
Answer:
7
Step-by-step explanation:
form a proportion
12/2=42/x
cross multiply
12x=84
x=7