Mrs. sim bought 5m of cloth. She cut into 7 equal pieces. What is the length of each pieces of cloth? Give your answer to one de
2 answers:
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Answer:
Lowest score needed=4.92
Step-by-step explanation:
Using the standard normal distribution table we find the value of standard normal deviate corresponding to area of 15%
For area of 15% we have Z= -1.04
Thus we have
Applying values we get
Thus lowest score needed = 4.92