I believe 1:45
He started work at 7:15 just add 6 hours to 7 and half-hour to 15 minutes
Answer:
The standard deviation is 10.38
Step-by-step explanation:
Given;
Variance, v = 107.76
mean, x = 34.2
The standard deviation is given by;
standard deviation = √variance
standard deviation = √107.76
standard deviation = 10.381
standard deviation = 10.38 (two decimal places)
Therefore, the standard deviation is 10.38
Answer:
Answer: 25%
Step-by-step explanation:
Convert fraction (ratio) 75 / 300 Answer: 25%
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