(1) If the diameter of the black marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volu
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Answer:
Variance = 4.68
Step-by-step explanation:
The formula for the variance is:
Where:
The mean can be calculated as each value multiplied by its probability
Replacing the mean and the summatory of X:
Add 8.1 to both sides to find x!
hope this helps :-)
hope this helps :-)