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.
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.
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 39SE: How many arrangements can be made from the letters of the word “mountains” if all the vowels must...
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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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