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

question 219

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 is more than 3 hours below the population mean?

Recognize the differences between fabrication lines and assembly lines.

Identify the theoretical minimum number of workstations required for production.

Understand the terminology and process of line balancing in a product-oriented layout.

Learn how daily capacity in a product layout is determined.

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Definitions:

X-Linked Recessive Trait

A genetic condition that is passed down through the X chromosome, where males are more frequently affected because they only have one X chromosome.

Blood Clotting

A physiological process where blood changes from a liquid to a gel, forming a clot to prevent bleeding.

Hemophilia A

A genetic disorder causing a deficiency in clotting factor VIII, leading to excessive bleeding.

Amniocentesis

A medical procedure used in prenatal diagnosis to sample amniotic fluid using a needle inserted into the uterus, to screen for genetic disorders and fetal infections.