Multiple Choice
The mean life of a particular brand of light bulb is 1200 hours.If you know that at about 95% of this brand of bulbs will last between 1100 and 1300 hours, then what is the standard deviation of the light bulbs' life?
A) 25
B) 50
C) 75
D) 100
E) 200
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q42: Skewness and kurtosis of a data set
Q43: If stock A has a coefficient of
Q44: The most appropriate measure of central tendency
Q45: If a data set is negatively skewed,
Q46: Your company is testing a new auto
Q48: A nonzero value of the skewness indicates
Q49: A histogram can be used in business
Q50: The following box and whisker plot was
Q51: From a large data set, a variable
Q52: In its Industry Norms and Key Business