Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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Category > Management Posted 03 Feb 2018 My Price 5.00

cage of a shrew

An ethologist is interested in how long it takes a certain species of water shrew to catch its prey. On 20 occasions each day, he lets a dragonfly loose inside the cage of a shrew and times how long it takes until the shrew catches the dragon- fly. After months of research, the ethologist concludes that the mean prey-catching time was 30 seconds, the standard deviation was 5.5 seconds, and the scores were normally distributed. Based on the shrew’s past record, what is the probability

 

a. It will catch a dragonfly in less than 18 seconds?

 

b. It will catch a dragonfly in between 22 and 45 seconds?

 

c. It will take longer than 40 seconds to catch a dragonfly? biological

 

 

 

 

 


Answers

Maurice Tutor
(5)
Status NEW Posted 03 Feb 2018 11:02 PM My Price 5.00

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