Answer:
B.
Step-by-step explanation:
as for my answer please correct if im wrong
Answer:
-2.8
Step-by-step explanation:
Given that:
Mean, μ = 78
Standard deviation, σ = 5
Omar's score, x = 64
The Zscore of Omar's score :
Zscore = (x - μ) ÷ σ
Zscore = (64 - 78) / 5
Zscore = - 14 / 5
Zscore = - 2.8
Hence, Omar's exam score is - 2.8
70%
i found that by just multiplying 50 by .7
Answer:
Some number less than 5
Step-by-step explanation:
If it was more we wouldn't need to subtract to find n.
Answer:
72 / 123 * 100 = 58.53658537 per cent
Step-by-step explanation: