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Answer to Question #63157 in Statistics and Probability for Peter
Question #63157
Shell lengths of sea turtles. Refer to the Aquatic Biology (Vol. 9, 2010) study of green sea turtles inhabiting the Grand Cayman South Sound lagoon, Exercise 2.83 (p. 65). Researchers discovered that the curved carapace (shell) length of these turtles is approximately normally distributed with mean 55.7 centimeters and standard deviation 11.5 centimeters.
a. The minimum and maximum size limits for captured turtles in the legal marine turtle fishery are 40 cm and 60 cm, respectively. How likely are you to capture a green sea turtle that is considered illegal?
b. What maximum limit, L, should be set so that only 10% of the turtles captured have shell lengths greater than L?
a. The minimum and maximum size limits for captured turtles in the legal marine turtle fishery are 40 cm and 60 cm, respectively. How likely are you to capture a green sea turtle that is considered illegal?
b. What maximum limit, L, should be set so that only 10% of the turtles captured have shell lengths greater than L?
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Dear mike, please use the panel for submitting new questions.
A population of marine gastropods have shell lengths which are normally distributed with mean 7 mm and standard deviation 1.44 mm. (a) What proportion of the population will have a shell length between 5 and 9 mm? Blank 1. Fill in the blank, read surrounding text. (b) What is the probability that the average marine gastropods shell lengths of 30 individuals is between than 6.5 and 7.5 mm?
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