Math Problem Statement
what is the probability that all four people selected are in their 50s? Give answer to 3 decimal places. Age group
Number in that age group
30 – 39
10
40 – 49
20
50 – 59
30
60 – 69
15
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Combinations
Dependent Events
Formulas
Combination formula: C(n, k) = n! / [k!(n - k)!]
Probability formula: P = Favorable outcomes / Total outcomes
Theorems
Combination Theorem
Basic Probability Rules
Suitable Grade Level
Grades 9-12
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