Topic 4

Question 1

can take any value within a range but cannot be counted like whole numbers. Instead, we measure it using any tool or scale

Answer 1

continuous random variable

Question 2

functional notation of the continuous probability
distribution

Answer 2

Probability density function or density function

Question 3

formed by a continuous random variable having the bell-shaped distribution and symmetric

Answer 3

normal distribution or Gaussian distribution

Question 4

is a continuous random variable having the bell-shaped distribution

Answer 4

normal random variable Z

Question 5

name of the normal distribution graph that is characterized by a symmetrical bell shaped. The mean 𝜇 is the center of the curve having its spread described by the standard deviation 𝜎.

Answer 5

normal curve

Question 6

normal distribution with mean 0 and variance 1

Answer 6

standard normal distribution

Question 7

way to describe the time between random events that happen at a constant rate

Answer 7

exponential distribution