Math Problem Statement
classify each pair of events as mutually exclusive or - non-mutually exclusive. a.) event a: randomly drawing a grey sock from a drawer, event b: randomly drawing a wool sock from a drawer. b.) event a: randomly selecting a student with brown eyes, event b: randomly selecting a student on the honour roll. c.) event a: having an even number of students in your class, event b: having an odd number of students in your class. d.) event a: rolling a six with a die, event b: rolling a prime number with a die. e.) event a: your birthday faolling on a saturday next year, event b: your birthday falling on a weekend next year. f.) event a: getting an A on the next test, event b: passing the next test. g.) event a: calm weather at noon tomorrow, event b: stormy weather at noon tomorrow. h.) event a: sunny weather next week, event b: rainy weather next week.
Solution
Here is a classification of each pair of events as either mutually exclusive or non-mutually exclusive:
a.) Event A: Randomly drawing a grey sock from a drawer.
Event B: Randomly drawing a wool sock from a drawer.
- Classification: Non-mutually exclusive (A grey sock could also be a wool sock.)
b.) Event A: Randomly selecting a student with brown eyes.
Event B: Randomly selecting a student on the honour roll.
- Classification: Non-mutually exclusive (A student could have brown eyes and also be on the honour roll.)
c.) Event A: Having an even number of students in your class.
Event B: Having an odd number of students in your class.
- Classification: Mutually exclusive (The number of students in the class can either be even or odd, but not both.)
d.) Event A: Rolling a six with a die.
Event B: Rolling a prime number with a die.
- Classification: Non-mutually exclusive (The number 6 is not prime, but you can roll either a 2, 3, or 5, which are prime numbers.)
e.) Event A: Your birthday falling on a Saturday next year.
Event B: Your birthday falling on a weekend next year.
- Classification: Non-mutually exclusive (If your birthday falls on a Saturday, it's also part of the weekend.)
f.) Event A: Getting an A on the next test.
Event B: Passing the next test.
- Classification: Non-mutually exclusive (If you get an A, you also pass the test.)
g.) Event A: Calm weather at noon tomorrow.
Event B: Stormy weather at noon tomorrow.
- Classification: Mutually exclusive (The weather cannot be both calm and stormy at the same time.)
h.) Event A: Sunny weather next week.
Event B: Rainy weather next week.
- Classification: Non-mutually exclusive (It's possible for there to be sunny weather on some days and rainy weather on others during the week.)
Would you like further details on any of these classifications?
Here are 5 related questions:
- What is the definition of mutually exclusive events in probability?
- Can mutually exclusive events occur simultaneously?
- How do you calculate the probability of non-mutually exclusive events?
- What is the difference between independent and mutually exclusive events?
- Can an event be mutually exclusive and independent?
Tip: In probability, mutually exclusive events cannot occur together, while non-mutually exclusive events can happen at the same time.
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Math Problem Analysis
Mathematical Concepts
Probability
Mutually Exclusive Events
Non-Mutually Exclusive Events
Formulas
P(A ∩ B) = 0 for mutually exclusive events
P(A ∪ B) = P(A) + P(B) for mutually exclusive events
Theorems
Addition Rule of Probability
Definition of Mutually Exclusive Events
Suitable Grade Level
Grades 9-12
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