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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Candidates for employment at a city fire department are required to take a written aptitude test.Scores on this test are normally distributed with mean 260 and standard deviation 51.A random sample of nine test scores was taken.
-What is the probability that the sample mean score is less than 250?
Nucleotides
The basic building blocks of DNA and RNA, consisting of a nitrogenous base, a sugar molecule, and one or more phosphate groups.
Quantitative Trait
Characteristics or phenotypes that vary in degree and can be attributed to polygenic effects, such as height or skin color.
Recessive Trait
A genetic trait that is expressed only when two copies of the gene are present, one from each parent.
Wing Phenotypes
The observable characteristics or traits of an organism's wings, including shape, size, color, and pattern, which can vary significantly among species.
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