The size of fish is important to commercial fishing. A study conducted in 2102 found that the length of Atlantic cod caught in nets in Karlskrona, Sweden is normally distributed with mean 49cm and standard deviation 4cm.
Source: Condition indices of Atlantic cod (Gadus morhua) biased by capturing method. M. Ovegard, K. Berndt, and S. Lunneryd, ICES Journal of Marine Science, August 21, 2012.
What is the probability that a randomly selected Atlantic cod is between 47 and 52cm ? Round your answer to 4 decimal places.
If random samples of 7 Atlantic cod are chosen and the average lengths of each sample are recorded. What is the mean of the sampling distribution for ar{x} ?
What is the standard deviation for the sampling distribution for ar{x} ? Round your answer to 4 decimal nlaces.
What is the probability that a random sample of 7 Atlantic cod have an average length between 47 and 52cm ? Enter your answer rounded to 4 decimal places.
The size of fish is important to commercial fishing. A study conducted in 2102 found that the length of
deviation 4 cm.
Source: Condition indices of Atlantic cod (Gadus morhua) biased by capturing method. M. Ovegard, K. Berndt,and S.Lunneryd,ICES Journal of Marine Science, August 21,2012. 1.What is the probability that a randomly selected Atlantic cod is between 47 and 52 cm? Round your answer to 4 decimal places
2.If random samples of 7 Atlantic cod are chosen and the average lengths of each sample are recorded What is the mean of the sampling distribution for ?
3.What is the standard deviation for the sampling distribution for ? Round your answer to 4 decimal places.
4. What is the probability that a random sample of 7 Atlantic cod have an average length between 47 and 52 cm? Enter your answer rounded to 4 decimal places