Discrete Probabilty Distribution

Sep 14th, 2015
HelloWorld
Category:
Statistics
Price: $5 USD

Question description

I need the following calculated and answered in an Excel Spreadsheet

1: 

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

Admissions Probability
1,010     0.6    
1,380     0.3    
1,600     0.1    
 
1.

What is the expected number of admissions for the fall semester?

 Expected number of admissions  
 
2.

Compute the variance and the standard deviation of the number of admissions. (Round your standard deviation to 2 decimal places.)

 Variance    Standard deviation  
 

2:  It is reported that 22% of American households use a cell phone exclusively for their telephone service. In a sample of seventeen households, find the probability that:

a.

No household uses a cell phone as their exclusive telephone service. (Round your answer to 4 decimal places.)

 Probability  


 

b.

Exactly 10 households exclusively use a cell phone for telephone service. (Round your answer to 4 decimal places.)

 Probability  


 

c.

Find the mean number of households exclusively using cell phones. (Round your answer to 4 decimal places.)

 Mean   

11

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