Answered: 4) The small round holes you often see…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4) The small round holes you often see in sea shells were drilled by other sea creatures, who ate the former dwellers of the shells. Whelks often drill into mussels, but this behavior appears to be more or less common in different locations. Researchers collected whelk eggs from the coast of Oregon, raised the whelks in the laboratory, then put each whelk in a container with some delicious mussels. Only 9 of 98 whelks drilled into a mussel. The researchers want to estimate the proportion p of Oregon whelks that will spontaneously drill into mussels. Are the conditions for calculating a confidence interval for proportion p met? *

A) No, only the Random condition is not met.

B) No, only the 10% condition is not met.

C) No, only the Large Counts condition is not met.

D) No, multiple conditions are not met.

E) Yes, all conditions are met.

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