In a Normal Distribution, What Proportion of the Population Will

question 55

Multiple Choice

In a normal distribution, what proportion of the population will have a z-score between -1.23 and +1.23?

• A) .7198
• B) .7814
• C) .5000
• D) .6297

---

Definitions:

Reduction Division

Another term for meiosis I, where a parent cell divides once to produce two cells, each with half the original number of chromosomes.

Chromosomes

Chromosomes are long strands of DNA, wrapped around protein, that carry hereditary information for traits and characteristics.

Sister Chromatids

Identical copies of a chromosome, connected by a centromere, that are produced during DNA replication.

Anaphase II

A stage of meiosis II where the sister chromatids are separated and pulled towards opposite poles of the cell.