Use the Following Distribution for the Next Questions

question 21

Short Answer

Use the following distribution for the next questions. A dentist claims that the
mean number of times a woman smiles per day is 62 with a standard deviation of
-If the dentist's claims are true, what is the probability that a randomly selected sample of 50 women would smile less than 58 times?

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Definitions:

Chorionic Villi

Finger-like projections from the chorion that extend into the uterine wall, facilitating nutrient exchange between mother and fetus.

Syncytiotrophoblast

Outer layer of the trophoblast composed of multinucleated cells.

Amniotic Cavity

A fluid-filled sac that encloses and protects the developing fetus in the uterus.

Endoderm

The innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of the digestive and respiratory systems.