Math Problem Statement
Binomial Distribution 3 problems quiz multiple choice
Solution
Here's a quiz focused on the Binomial Distribution with multiple-choice options:
Problem 1:
A fair die is rolled 10 times. You are interested in the number of times a "4" appears. What is the probability that "4" appears exactly 2 times?
Options:
A. 0.1938
B. 0.2907
C. 0.2335
D. 0.3021
Solution Tip: Use with , , and .
Problem 2:
In a survey, 60% of people said they enjoy ice cream. If 5 people are randomly selected, what is the probability that exactly 3 of them enjoy ice cream?
Options:
A. 0.3456
B. 0.6826
C. 0.2000
D. 0.2679
Solution Tip: Use , , and .
Problem 3:
A basketball player makes 80% of her free throws. If she takes 8 free throws in a game, what is the probability that she makes at least 6 of them?
Options:
A. 0.8578
B. 0.2936
C. 0.8282
D. 0.5141
Solution Tip: Calculate with , .
Let me know if you’d like detailed solutions for each question or if you have any questions!
Related Questions
- What is the cumulative probability formula in a binomial distribution?
- How does increasing the probability in a binomial distribution affect the distribution shape?
- How do you calculate the expected value in a binomial distribution?
- What is the binomial distribution formula for calculating variance?
- How does the binomial distribution compare with the normal distribution?
Tip
When the number of trials is high, and is around 0.5, the binomial distribution can be approximated by a normal distribution for easier calculations.
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Math Problem Analysis
Mathematical Concepts
Binomial Distribution
Probability Theory
Combinatorics
Formulas
P(X = k) = \binom{n}{k} p^k (1 - p)^{n - k}
P(X \geq k) = P(X = k) + P(X = k+1) + ... + P(X = n)
Theorems
Binomial Theorem
Suitable Grade Level
Grades 9-12
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