Question
In: Statistics and Probability
Q 7: Determine whether the following value is a continuous random variable, discrete random variable, or...
Q 7:
Determine whether the following value is a continuous random variable, discrete random variable, or not a random variable.
a. The height of a randomly selected person
b. The hair color of adults in the United States
c. The number of free-throw attempts before the first shot is missed
d. the weight of a hamburger
e. The number of pigeons in a country
f. The exact time it takes to evaluate 67 + 29
Solutions
orchestra answered 1 year agoRelated Solutions
Determine whether the value is a discrete random variable, continuous random variable, or not a random...
Determine whether the value is a discrete random variable,
continuous random variable, or not a random variable.
a. The number of bald eagles in a countrynumber
of bald eagles in a country
b. The number of points scored during a
basketball gamenumber of points scored during a basketball game
c. The response to the survey question "Did you
smoke in the last week question mark "response to the survey
question "Did you smoke in the last week?"
d. The number...
What is the difference between a discrete random variable and a continuous random variable?
What is the difference between a discrete random variable and a continuous random variable?
Decide whether the random variable x is discrete or continuous. x represents the amount of snow...
Decide whether the random variable x is discrete or
continuous.
x represents the amount of snow left parenthesis in inches right
parenthesis that fell in Nome comma Alaska last winter the amount
of snow (in inches) that fell in Nome, Alaska last winter.
Is the random variable x discrete or continuous? Choose the
correct answer below.
Discrete or Continous
What is a random variable? Why is it important? What is discrete random variable? Continuous random?...
What is a random variable? Why is it important? What is discrete
random variable? Continuous random? What is an expected value?
Determine if the following random variables are discrete or continuous. Explain your answer thoroughly. (a) The...
Determine if the following random variables are discrete or
continuous. Explain your answer thoroughly. (a) The number of
blades of grass on a football field. (b) The mass, in pounds, of a
football player on the field.
Q) Let Xbe a discrete random variable representing the maximum value of the two numbers on...
Q) Let Xbe a
discrete random variable representing the maximum value of the two
numbers on
throwing two identical
balanced dice for one time only. Then:
a) Find the possible
values of the random variable X for the
following cases:
b) Determine the
probability mass function P (X = ·).
c) Draw the graphical
representation of the probability mass function P
(X = ·).
d) Determine the
distribution functionF .
X
e) Sketch the
functions in part (a).
f) Calculate the...
Explain in your own words the difference between a discrete random variable and continuous variable. Give...
Explain in your own words the difference between a discrete random
variable and continuous variable. Give a clear for example
for each that defines that distinct difference.
What does it mean to have a success vs a
failure? What the requirements for performing a binomial
probability experiment? How do you find the mean and standard
deviation of a binomial probability distribution?
discussed probability, what does Do not give a formula
- explain the formula itself and use an example to show...
Determine whether or not the random variable X is a binomial random variable. (a) X is...
Determine whether or not the random variable X is a binomial
random
variable.
(a)
X is the number of dots on the top face of a fair die
(b)
X is the number of hearts in a five card hand drawn (without
replacement) from a well
shuffled ordinary deck.
(c)
X is the number of defective parts in a sample of ten randomly
selected parts coming from a manufacturing process in which 0.02%
of all parts are defective.
(d)
X...
Let X be a continuous random variable following normal distribution with mean value of: (a is...
Let X be a continuous random variable following normal
distribution with mean value of: (a is 1) and standard deviation of
b is 1/10 ,
What is the mode of X? (1 mark)
What is median of X? (1 mark)
What is ?(? > ?)? (1mark)
What is ?(? − ? < ? < ? + ?)? (1 mark)
What is ?(? − 1.96? < ? < ? + 1.96?))? (1mark)
Let X be a continuous random variable following normal distribution with mean value of: (a is...
Let X be a continuous random variable following normal
distribution with mean value of: (a is the last digit of your
student number) and standard deviation of b (b is the last digit of
your student number divided by 10), a=9 b=9/10
What is the mode of X?
What is median of X?
What is P(X>a)?
What is P(a-b<X<a+b)?
What is P(a-1.96b<X<a+1.96b)?
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