A home gardener likes to grow various kinds of citrus fruit. One of his mandarin orange trees
Question:
A home gardener likes to grow various kinds of citrus fruit. One of his mandarin orange trees produces oranges whose circumferences follow a Normal distribution with mean 21.1 cm and standard deviation 1.8 cm.
a. What is the probability that a randomly selected orange from this tree has a circumference greater than 22 cm?
b. What is the probability that a random sample of 20 oranges from this tree has a mean circumference greater than 22 cm?
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