Math Problem Statement
A large fast-food restaurant is having a promotional game where game pieces can be found on various products. Customers can win food or cash prizes. According to the company, the probability of winning a prize (large or small) with any eligible purchase is 0.157.
Consider your next 30 purchases that produce a game piece. Calculate the following:
Round your answers to at least three decimal places.
a) What is the probability that you win 4 prizes?
b) What is the probability that you win more than 6 prizes?
c) What is the probability that you win between 3 and 6 (inclusive) prizes?
d) What is the probability that you win 2 prizes or fewer?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Binomial Distribution
Formulas
P(X = k) = (n choose k) * p^k * (1 - p)^(n - k)
P(X > 6) = 1 - P(X ≤ 6)
P(3 ≤ X ≤ 6) = P(X = 3) + P(X = 4) + P(X = 5) + P(X = 6)
P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2)
Theorems
Binomial Theorem
Suitable Grade Level
College Level / Advanced High School
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