Answer:
0.5
Step-by-step explanation:
Given: Mean= 23 minutes
Standard deviation= 2 minutes
x= 24 minutes.
Lets find the z-score for the number of sandwiches delivered in less than 24 minutes.
Formula; [tex]z-score= \frac{x-mean}{standard\ deviation}[/tex]
z-score= [tex]\frac{24-23}{2}[/tex]
⇒ z-score= [tex]\frac{1}{2} = 0.5[/tex]
∴ z-score will be 0.5.
Hence, 0.5 is the z-score for the number of sandwiches delivered in less than 24 minutes.
Answer:
0.5
Step-by-step explanation:
I recently did the test and this was the right answer.
