21. Let x be the number of candies inside a 1-pound candy box. If in a randomly selected boxes, the number of candies has the following distribution. x P(x) 100 0.03 105 0.91 110 0.06 A. What is the average number of candies in a 1-pound candy box? B. What is the variance? C. What is the standard deviation? Answer: 105.15 (approx. 106 candies); 2.23 149

MATLAB: An Introduction with Applications
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21. Let x be the number of candies inside a 1-pound candy box. If in a randomly selected boxes, the
number of candies has the following distribution.
x
P(x)
100
0.03
105
0.91
110
0.06
A. What is the average number of candies in a 1-pound candy box?
B. What is the variance?
C. What is the standard deviation?
Answer: 105.15 (approx. 106 candies); 2.23 149
Transcribed Image Text:21. Let x be the number of candies inside a 1-pound candy box. If in a randomly selected boxes, the number of candies has the following distribution. x P(x) 100 0.03 105 0.91 110 0.06 A. What is the average number of candies in a 1-pound candy box? B. What is the variance? C. What is the standard deviation? Answer: 105.15 (approx. 106 candies); 2.23 149
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