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Past record indicates that the mean sale of this brand, from 
various showrooms located across various towns is Rs. 20 million. If the 
distribution of the sales is normal with standard deviation of Rs. 50,000
a) What is the probability of obtaining sale greater than Rs. 45 million this year?

b) What is the probability of generating sale between Rs. 17 and Rs. 27 million?

Guest Aug 22, 2017
 #1
avatar+93691 
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Past record indicates that the mean sale of this brand, from 
various showrooms located across various towns is Rs. 20 million. If the 
distribution of the sales is normal with standard deviation of Rs. 50,000

 

mean= 20 milllion Rand

SD = 50,000 Rand

 


a) What is the probability of obtaining sale greater than Rs. 45 million this year?  near enough to 0

b) What is the probability of generating sale between Rs. 17 and Rs. 27 million?  near enough to 1

 

I do not think your numbers are correct. Can you check them all please?

Melody  Aug 22, 2017

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