Question

A grocery store purchases bags of oranges from California to sell in their store. The weight...

A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.1 pounds and a variance of 1.21 pounds2. A bag of California oranges is randomly selected in the grocery store.

(Round all probability answers to four decimal places.)

a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 8 pounds?

b. What is the probability that a randomly selected California orange bag purchased by a customer weighs between 6.5 and 7.6 pounds?

c. What is the probability that a randomly selected California orange bag purchased by a customer weighs exactly 5 pounds?

(Round weight to two decimal places)

d. 16% of the time, a customer will buy a bag of California oranges that weighs more than a specific weight. Find that weight.

Math   Statistics-And-Probability   
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