Introduction To Probability
Gbogbo ọrọ náà
Probability is the mathematics of chance. Every time you toss a coin, roll a die, draw a card or check tomorrow's weather forecast, you are dealing with uncertainty, and probability gives you a precise way to measure how likely something is. Instead of vague words like likely or unlikely, it puts a number between 0 and 1 on every event.
In this lesson you will meet the probability scale, learn the simple formula that turns counting into probability, and discover the neat shortcut that the chance of something not happening is just one minus the chance that it does. These ideas are the foundation of every probability question you will ever meet, so getting them solid now pays off all the way through the course.
Ebumnobi
- Understand and use the probability scale from 0 to 1.
- Calculate the probability of a single event.
- Understand that the probability of an event not occurring = 1 - the probability of the event occurring.
- Understand and use probability notation. (Extended only)
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Introduction To Probability. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- A fair six-sided die is rolled. What is the probability of rolling an even number? A. 1/6 B. 1/3 C. 1/2 D. 2/3 Answer: C
- A fair six-sided die is rolled. What is the probability of not rolling a 6? A. 1/6 B. 1/3 C. 1/2 D. 5/6 Answer: D
- Which of these values cannot be a probability? A. 0 B. 0.45 C. 1 D. 1.3 Answer: D
- The probability that it rains tomorrow is 0.7. What is the probability that it does not rain? A. 0.3 B. 0.7 C. 1.0 D. 1.7 Answer: A
- A bag has 4 red and 6 blue counters. One is taken at random. What is the probability it is red? A. 1/6 B. 2/5 C. 1/2 D. 3/5 Answer: B
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Akwụkwọ A Na-atụ Aro
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Akụkụ akwụkwọ
Probability
Construct probability models.
"Algebra and Trigonometry: Probability" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/algebra-and-trigonometry/pages/13-7-probability. Access for free at https://openstax.org/books/algebra-and-trigonometry/pages/1-introduction
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Terminology
Probability is a measure that is associated with how certain we are of outcomes of a particular experiment or activity. An experiment is a planned operation carried out under controlled conditions. If the result is not predetermined, then the experiment is said to be a chance experiment. Flipping on
"Introductory Statistics: Terminology" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/introductory-statistics/pages/3-1-terminology. Access for free at https://openstax.org/books/introductory-statistics/pages/1-introduction
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Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Introduction To Probability? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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