A strain of long-stemmed roses has an approximate normal distribution with a mean stem length of 14 inches and standard

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answerhappygod
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A strain of long-stemmed roses has an approximate normal distribution with a mean stem length of 14 inches and standard

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A strain of long-stemmed roses has an approximate normal
distribution with a mean stem length of 14 inches and standard
deviation of 2.5 inches.
(a) If one accepts as "long-stemmed roses" only those roses with
a stem length greater than 11.5 inches, what percentage of such
roses would be unacceptable? (Round your answer to one decimal
place.)
(b) What percentage of these roses would have a stem length
between 11.5 and 19 inches? (Round your answer to one decimal
place.)
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