One of the assumptions underlying the theory of control charting is that successive plotted points are independent of one anothe
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Answer:
d. 0.4013
Step-by-step explanation:
Half of the area under the normal curve is found to the left of the midpoint, where z=0. For negative values of z, the area under the curve is less than half.
Area under a normal curve is always a positive value between 0 and 1, so will never be negative.
The only value that can be an area in a left-hand tail is 0.4013.
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<em>Additional comment</em>
That value corresponds to z ≈ -0.25.
Answer:
10 days
Step-by-step explanation:
We are given that
Each person takes 56 days
7 painters take time= painter days
In first 6 days , 7 painters take time=painter days
After 6 days , 28 volunteers are added then,
Total persons=28+7=35
Now, remaining days=392-42=350
Therefore, number of days are required before the painting of the king of rock 'n' roll is completed=days
Hence,10 more days are required before the painting of the king of rock 'n' roll is completed