Concept explainers
a.
To find: The
The probability is 0.3085.
Given:
Calculation:
Consider, X be the random variable that represents the circumference of orange follows the
The probability that the circumference of the randomly selected orange is more than 22 cm can be calculated as:
Thus, the required probability is 0.3085.
b.
To find: The probability that the mean circumference of the randomly selected 20 oranges is more than 22 cm.
The probability is 0.012676.
The probability that the mean circumference of the randomly selected 20 oranges is more than 22 cm can be calculated as:
Thus, the required probability is 0.012676.
Chapter 8 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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