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

question 36

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 differs from the population mean by less than 2 hours?

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Definitions:

Ulnar Grasp

Ulnar grasp is a developmental milestone in infants where they can hold objects by closing their fingers against the palm, using the pinky side of the hand.

Palmar Reflex

An involuntary response observed in infants, where the hand closes over an object placed in the palm.

Motor Development

The process of change in physical movement capabilities observed across the lifespan from infancy through adulthood.

Social Functioning

The ability of an individual to interact and perform in a social environment, encompassing both the performance of daily activities and the quality of relationships with others.