Mathematics, 20.09.2019 01:30 deidaralove90

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a compact disc is designed to last an average of 4 years with a standard deviation of 0.9 years. what is the probability that a cd will last less than 3 years?
1.11%
13.35%
86.65%
100%

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Medal a compact disc is designed to last an average of 4 years with a standard deviation of 0.9 years. what is the probability that a cd will last less than 3 years? 1.11% 13.35% 86.65% 100%

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Another question on Mathematics

Medal
a compact disc is designed to last an average of 4 years with a standard deviation of 0.9 years. what is the probability that a cd will last less than 3 years?
1.11%
13.35%
86.65%
100%