4. Probability

If a bag contains only blue and red marbles, and the probability of picking a blue marble is $\frac{3}{25}$, what is the probability of picking a red marble?

In the context of probability experiments, which of the following best describes an $independent$ variable?

Which of the following statements best describes a probability distribution?

Which measurement level best describes the variable $\text{temperature measured in degrees Celsius}$?

Which of the following can be reasonably modeled by a $normaldistribution$?

$\text{Which of the following is an example of nominal data?}$

Which of the following is a property of a probability density function ($pdf$)?

Which of the following is the primary reason for transforming a set of raw scores into a set of $z$-scores?

Which of the following values can represent the probability of an event?

Which of the following is an example of inferential statistics?

The benefit of using inferential statistics is that it allows a researcher to:

Which of the following is a proper way to describe the probability of flipping heads on a fair coin?

How many different simple random samples of size $3$ can be selected from a population of size $7$?

Suppose Richard is taking a multiple-choice test with $10$ questions, each with $4$ answer choices, and he guesses randomly on each question. What is the probability that Richard will answer at least half of the questions correctly?

Which of the following statements is most accurate when defining $percentiles$ in probability and statistics?