standard deviation and probability distribution

label Statistics
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schedule 1 Day
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A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.50, 0.38, 0.10, and 0.02, respectively. Find the standard deviation for the probability distribution. Round answer to the nearest hundredth.  

Jun 16th, 2015

Thank you for the opportunity to help you with your question!

std=0.23.........................................................................................................

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 16th, 2015

I don't understand bc my choices on the homework assignment are 

σ = 1.02 ,σ = 0.55σ = 0.74 or σ = 0.98. I didn't get any of those answers and why I asking. 

Jun 16th, 2015

those can not be the answers....just compare with this one...very slit  diffrent but the answer should near or close to0.2....


'4) A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.50, 0.38, 0.11, and 0.01, respectively. A) 0.63 B) 0.25 C) 1.13 D) 1.50'

Jun 16th, 2015

Ok I will leave it blank bc those are the only choices I have I double checked. I guess that';s why I could;t figure out the answer

Jun 16th, 2015

maybe dear!...sorry for the disappointing question....bc it's not even hard so the answers are misleading.

Jun 16th, 2015

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Jun 16th, 2015
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Jun 16th, 2015
Jun 25th, 2017
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