A New Manufacturing Plant Has 20 Job Openings

question 177

Short Answer

A new manufacturing plant has 20 job openings. To select the best 20 applicants from among the 1,000 job seekers, the plant's personnel office administers a written aptitude test to all applicants. The average score on the aptitude test is 150 points with a standard deviation of 10 points. Assume the distribution of test scores is approximately mound-shaped.
a. What percentage of the test scores will fall between 130 and 160 points?
Approximately ______________. (Enter as a decimal percent or use the % sign.)
b. How many applicants will score between 130 and 160 points?
At least ______________ applicants.
c. One of the applicants scored 192 points on the test. What might you conclude about this test score?
____________________________

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Definitions:

Primary Oocyte

An early stage in the development of an egg cell (oocyte) within the ovary, before it undergoes meiotic division.

Secondary Oocyte

A cell that forms as a result of the first meiotic division of an oocyte and goes on to complete meiosis II upon fertilization.

Granulosa Cells

In mammals, cells that surround the developing oocyte and are part of the follicle; produce estrogens and inhibin

Primary Oocyte

An immature egg cell that is found in the ovaries of females; it is arrested in the first meiotic division until puberty.