Statistics and Probability with Application

Statistics and Probability with Application

12th Grade - University

27 Qs

quiz-placeholder

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Statistics and Probability with Application

Statistics and Probability with Application

Assessment

Quiz

Other

12th Grade - University

Hard

Created by

Barbara White

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a discrete random variable and a continuous random variable?
A discrete random variable takes all values in an interval of numbers while a continuous random variable has a fixed set of possible values with gaps between.
A discrete random variable has a fixed set of possible values with gaps between while a continuous random variable takes all values in an interval of numbers.
A discrete random variable takes only negative numbers while a continuous random variable takes both positive and negative numbers.
A discrete random variable takes both positive and negative numbers while a continuous random takes only negative numbers.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What are the two types of random variables
Discrete and Continuous
Binary and Non-Binary
Expected and Predicted
Positive and Negative

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A regular deck of cards has 4 aces. You are asked to pick one card from the deck. If the card you picked is an ace you win $5! However if you pick any other card, you lose $2. If you play this game many times, on average how much would you expect to win?
About $1.46
About $4.46
About -$1.46
About $3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiplying/Dividing each value of a random variable by a number x will...
I. Multiply/Divide the mean, median, quartiles, and percentiles by number x
II. Multiply/Divide the shape of the distribution by number x
III. Multiply/Divide the range, IQR, standard deviation by |x|
I and II
I and III
II and III
I, II, and III

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The count of X successes in a binomial setting is a:
Binary outcome
Binomial probability
Binomial distribution
Binomial random variable

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find the mean of a binomial random variable
Multiply the probability of success times the probability of failure.
Multiply the number of trials times the probability of failure
Multiply the number of trials times the probability of success.
Multiply the number of trials times the probability of success times the probability of failure.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find the mean/expected value for a geometric random variable
Multiply the number of trials times the probability of success on each trial.
Divide 1 by the probability of success on each trial.
Multiply the number of trial times the probability of failure on each trial.
Divide 1 by the probability of failure on each trial.

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