In: Statistics and Probability
The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound. If a sample of 4 fish is taken. What is the probability that the sample means will be between 3.1 and 4.0 pounds?
A |
0.5759 |
|
B |
0.9772 |
|
C |
0.4972 |
|
D |
0.6687 |
As this follows a Normal Distribution we use the formula mentioned and calculate the required probability. The probability value is obtained from STATKEY (image attached for reference).