NEXT MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK Chapter 3, Section 3
ID: 3237563 • Letter: N
Question
NEXT MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK Chapter 3, Section 3, Exercise 075 Hitchhiker Snails A type of small snail is very widespread in Japan, and colonies of the snails that are genetically similar have been found very far apart. Scentists wondered how the snails could travel such long distances. A recent study: provides the answer Biologist Shinichiro a fed 174 ve snails to birds and found that of the snails were excreted live out the other end. The snails apparently are able to seal their shells shut to keep the digestive funds from getting in. 26 'Yong, E. The scatological Hitchhiker snail Discover, october 2011, 13 (a) What is the best point estimate for the proportion of all snails of this type to live after being eaten by a bird? Round your answer to three decimal places. best point estimate the absolute tolerance +/-0.001 LINK TO TEXT ft) Figure 1 shows a bootstrap distrbution based on this sample. Version 4.223Explanation / Answer
Answer:
a).
Best point estimate for the proportion of the snails of this type live after being eaten by a bird
best point estimate p =26/174 =0.149425
=0.149 ( three decimals)
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