TABLE 7-1 Times Spent Studying by Students in the Week Before Final

question 320

Short Answer

TABLE 7-1
Times spent studying by students in the week before final exams follow a normal distribution with standard deviation 8 hours. A random sample of 4 students was taken from a population of 50 in order to estimate the mean study time for the population of all students. Use the finite population correction.
-Referring to Table 7-1, what is the probability that the sample mean exceeds the population mean by more than 2 hours?

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Definitions:

DNA Template

A strand of DNA that serves as a guide for the synthesis of complementary RNA or DNA strands.

Transcription

Process in which enzymes use DNA as a template to assemble RNA. Part of gene expression.

Complementary

Pertaining to two or more components, elements, or sequences that match or enhance each other's properties or functions.

Codon

In an mRNA, a nucleotide base triplet that codes for an amino acid or stop signal during translation.