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The time it takes to process phone orders in a small florist and gift shop is no

ID: 3389325 • Letter: T

Question

The time it takes to process phone orders in a small florist and gift shop is normally distributed with a mean of 6 minutes and a standard deviation of 1.24 minutes period what could all value would separate the 2.5% to take the most time to process? The time it takes to process phone orders in a small florist and gift shop is normally distributed with a mean of 6 minutes and a standard deviation of 1.24 minutes period what could all value would separate the 2.5% to take the most time to process? The time it takes to process phone orders in a small florist and gift shop is normally distributed with a mean of 6 minutes and a standard deviation of 1.24 minutes period what could all value would separate the 2.5% to take the most time to process?

Explanation / Answer

First, we get the z score from the given left tailed area. As          
          
Left tailed area = 1 - 0.025 =   0.975      
          
Then, using table or technology,          
          
z =    1.959963985      
          
As x = u + z * s,          
          
where          
          
u = mean =    6      
z = the critical z score =    1.959963985      
s = standard deviation =    1.24      
          
Then          
          
x = critical value =    8.430355341 MINUTES [ANSWER]  

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