A Random Sample of 40 Students Has a Test Score $\bar { x }$

question 94

Multiple Choice

A random sample of 40 students has a test score with $\bar { x }$ = 81.5. Assume the population standard deviation is 10.2. Construct the confidence interval for the population mean, $\mu \text { if } \mathrm { c }$ = 0.90.

• A)(78.8, 84.2)
• B)(51.8, 92.3)
• C)(66.3, 89.1)
• D)(71.8, 93.5)

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Definitions:

Fluorescent Dyes

Chemical compounds that absorb light at one wavelength and emit it at another, used to stain and visualize biological molecules or cells under a microscope.

Microarray

A laboratory tool used to detect the expression of thousands of genes at the same time, allowing researchers to understand complex genetic processes.

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often a protein, influencing the cell's structure and function.

PCR

Polymerase Chain Reaction, a biotechnological method used to amplify specific segments of DNA, facilitating their analysis and manipulation.