Math Problem Statement
The probability that a randomly observed Radiata Pine tree will live for 15 years is 0.58. This can be modelled using a Binomial distribution.
If 6 Radiata Pine trees are randomly observed, calculate the probability that more than 1 of them will live for 15 years.
Round the answer to 3 decimal places.
Solution
Let's solve the problem using the Binomial distribution formula.
Step 1: Define the parameters.
- (number of trials or trees)
- (probability of success, i.e., a tree living for 15 years)
- The probability of failure .
We are asked to find the probability that more than 1 tree lives for 15 years. This means we need to find:
Where follows a Binomial distribution: .
Step 2: Find .
Instead of finding directly, we can calculate its complement:
Step 3: Calculate .
a) Calculate :
b) Calculate :
Adding these together:
Step 4: Calculate .
Step 5: Round the answer to 3 decimal places.
Would you like to explore more about Binomial distributions or another aspect of this problem?
Here are 5 related questions:
- What is the probability that exactly 3 trees will live for 15 years?
- How would the probability change if 10 trees were observed instead of 6?
- What is the expected number of trees to live for 15 years when observing 6 trees?
- How do you calculate the variance of a Binomial distribution?
- What is the probability that none of the trees will live for 15 years?
Tip: Remember, when dealing with probabilities involving “at least” or “more than” scenarios, it is often easier to find the complement.
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Math Problem Analysis
Mathematical Concepts
Probability
Binomial Distribution
Complementary Probability
Formulas
P(X = k) = \binom{n}{k} p^k (1 - p)^{n-k}
P(X > 1) = 1 - P(X \leq 1)
P(X \leq 1) = P(X = 0) + P(X = 1)
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12
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