Question

Green sea turtles are listed as threatened, endangered, or critically endangered in various parts of the world and have, historically, faced threats such as hunting, poaching, and egg harvesting.

The frequency distribution below, in part (a), summarizes the weights of 83 green sea turtles.
a. Using the given data, construct the relative frequency distribution below. Please provide

your answers, reported as proportions, in the blank spaces provided in the table.

Weight(kg). Frequency Relative Frequency

60-89. 8

90-119. 12

120-149 21

150-179 19

180-209 23

2. Does the frequency distribution above appear to have a normal distribution? Yes or No.

3. Explain the answer that you provided in part (b) in one to two complete sentences.

4. What is the probability of randomly selecting a sea turtle with a weight of 150 kg or more?

5. What is the probability of randomly selecting two sea turtles (drawn without replacement) with weights of 150 kg or more?

6. Assume that green sea turtles have weights with a mean of 147.9 kg and a standard deviation of 35.8 kg. Would it be unusual for a sea turtle to weigh 78 kg? Yes or No.

7. Explain the answer that you provided in part (f) in one to two complete sentences.

Answer 1