BSTAT 2305 Ch 6 questions with verified
answers graded A+
A random variable X with an equally likely chance of assuming any value within a specified
range is said to have which distribution? - correct answer ✔✔continuous uniform distribution
The shape of the graph depicting the normal probability density function is ______. - correct
answer ✔✔bell shaped
For a continuous random variable X, how many distinct values can it assume over an interval? -
correct answer ✔✔Uncountably Infinite
Which of the following can be represented by a continuous random variable? - correct answer
✔✔The high daily temperature in Tampa, Florida during the month of July, measured in degrees
The probability distribution of a continuous random variable is called its probability ______. -
correct answer ✔✔density function.
For a continuous random variable, one characteristic of its probability density function f(x) is
that the area under f(x) over all possible values of x is - correct answer ✔✔equal to one
For a continuous random variable X, the function used to find the area under f(x) up to any
value x is called the - correct answer ✔✔cumulative distribution function.
A continuous random variable X can assume - correct answer ✔✔an infinite number of values
over some interval.
answers graded A+
A random variable X with an equally likely chance of assuming any value within a specified
range is said to have which distribution? - correct answer ✔✔continuous uniform distribution
The shape of the graph depicting the normal probability density function is ______. - correct
answer ✔✔bell shaped
For a continuous random variable X, how many distinct values can it assume over an interval? -
correct answer ✔✔Uncountably Infinite
Which of the following can be represented by a continuous random variable? - correct answer
✔✔The high daily temperature in Tampa, Florida during the month of July, measured in degrees
The probability distribution of a continuous random variable is called its probability ______. -
correct answer ✔✔density function.
For a continuous random variable, one characteristic of its probability density function f(x) is
that the area under f(x) over all possible values of x is - correct answer ✔✔equal to one
For a continuous random variable X, the function used to find the area under f(x) up to any
value x is called the - correct answer ✔✔cumulative distribution function.
A continuous random variable X can assume - correct answer ✔✔an infinite number of values
over some interval.
