The Time at Which the Mailman Delivers the Mail to Ace

question 93

Short Answer

The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution with mean 2:00 PM and standard deviation of 15 minutes.
a. What is the probability the mail will arrive after 2:30 PM?
b. What is the probability the mail will arrive before 1:36 PM?
c. What is the probability the mail will arrive between 1:48 PM and 2:09 PM?

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Definitions:

Agranulocyte

A type of white blood cell that lacks granules in its cytoplasm, such as lymphocytes and monocytes, playing essential roles in the immune system.

Cytoplasm

The jelly-like substance inside cells that holds organelles, in which most cellular activities occur.

Antibodies

Immune system proteins that specifically recognize and bind to foreign antigens, marking them for destruction.

Blood Protein

Proteins present in blood plasma, including antibodies, albumin, and clotting factors, playing various roles in bodily functions.