Question 768600
The weights of pears in an orchard are normally distributed with mean 0.32 pound and standard deviation 0.08 pound.

a.) If one pear is selected at random, what is the probability that it's weight will be between 0.28 and 0.34 pound?

b.) If X̄  denotes the average weight of a random sample of four pears, what is the probability that X̄  will be between 0.28 and 0.34 pound?

Answers:

a) 0.2902

b) 0.5328

You can ask me more at: mthman@gmail.com

Thanks