Sam ran 63,756 feet in 70 minutes. What is sam’s rate in mile per hour
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Answer: 0.6827
Step-by-step explanation:
Given : The resistance of a strain gauge is normally distributed .
Population mean :
Standard deviation :
Let x be the random variable that represents the resistance of a strain gauge is normally distributed .
z-score :
To meet the specification, the resistance must be within the range 100±0.7 ohms i.e. (99.3,100.7).
For x = 100.7
For x = 99.3
By using the standard normal distribution table, The proportion of gauges is acceptable is given by:-
Hence, the proportion of gauges is acceptable=0.6827