Binomial Distributions (4.2)

Binomial Distributions (4.2)

Assessment

Flashcard

Mathematics

9th - 12th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a binomial distribution?

Back

A binomial distribution is a probability distribution that summarizes the likelihood that a value will take one of two independent states (success or failure) across a fixed number of trials.

2.

FLASHCARD QUESTION

Front

What are the parameters of a binomial distribution?

Back

The parameters of a binomial distribution are 'n' (the number of trials) and 'p' (the probability of success on each trial).

3.

FLASHCARD QUESTION

Front

How do you calculate the mean of a binomial distribution?

Back

The mean (μ) of a binomial distribution is calculated using the formula: μ = n * p.

4.

FLASHCARD QUESTION

Front

How do you calculate the standard deviation of a binomial distribution?

Back

The standard deviation (σ) of a binomial distribution is calculated using the formula: σ = √(n * p * (1 - p)).

5.

FLASHCARD QUESTION

Front

What is the probability of getting exactly k successes in n trials?

Back

The probability of getting exactly k successes in n trials is given by the formula: P(X = k) = (n choose k) * p^k * (1 - p)^(n - k).

6.

FLASHCARD QUESTION

Front

What does 'n choose k' mean in the context of binomial distributions?

Back

'n choose k' (denoted as C(n, k) or nCk) represents the number of ways to choose k successes from n trials and is calculated as n! / (k!(n-k)!).

7.

FLASHCARD QUESTION

Front

What is the significance of independent trials in a binomial distribution?

Back

Independent trials mean that the outcome of one trial does not affect the outcome of another trial, which is a key assumption in binomial distributions.

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