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Category | Format | Size |
---|---|---|
People's Education Press Ninth Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Random Events" Probability Preliminary PPT Courseware 2
teaching objectives
1. Understand the concepts of inevitable events, impossible events, and random events.
2. Be able to judge which events are inevitable events, which events are impossible events, and which events are random events.
3. Understand that the likelihood of different random events may be different.
Teaching focus
Master the definitions of inevitable events, impossible events, and random events.
Teaching difficulties
Determine which events in real life are random.
Definition 1: An event that must happen under certain conditions is called an inevitable event.
For example: ① Firewood burns and generates heat;
Condition: Firewood burning; Result: Heat generated
②Throw a stone and it will fall.
Condition: Throw a stone; Result: Whereabouts
Definition 2: An event that is impossible to occur under certain conditions is called an impossible event.
For example: ③ At normal temperature, steel melts;
Condition: Normal temperature; Result: Steel melts
④Under standard atmospheric pressure and when the temperature is below 0°C, ice melts.
Conditions: Standard atmospheric pressure and temperature below 0oC; Result: Ice melts
Definition 3: Events that may or may not occur under certain conditions are called random events.
For example: ⑤ Toss a coin, heads up;
Condition: Toss a coin; Result: Heads
⑥Someone shoots once and hits the target.
Condition: Shoot once; Result: Hit the target
induction
Generally speaking, the probability of a random event occurring has a certain level, and the probability of different random events occurring may be different.
think
Can the probability of "finding a black ball" and "finding a white ball" be the same by changing the number of balls of a certain color in the bag?
Class summary
1. Events that must occur under certain conditions are called inevitable events.
2. An event that is impossible to occur under certain conditions is called an impossible event.
3. Events that may or may not occur under certain conditions are called random events.
4. Generally speaking, the probability of random events occurring varies. The probability of different random events occurring may be different.
Keywords: Preliminary courseware for probability, courseware for random events, PPT courseware for the first volume of ninth-grade mathematics published by the New People's Education Press, downloadable courseware for ninth-grade mathematics slides, downloadable preliminary PPT courseware for probability, download PPT courseware for random events, .ppt format
For more information about the "Preliminary Probability of Random Events" PPT courseware, please click the "Preliminary Probability of Random Events ppt" tab.
"Probability of Random Events" PPT:
"The Probability of Random Events" PPT Part One Content: Learning Objectives 1. Master the concepts of random events, inevitable events, and impossible events. 2. Correct understanding of the meaning of probability. 3. Understand the relationship between frequency and probability. New Lesson Introduction Problem Situation Wood burning, can...
"Deterministic Events and Random Events" PPT download:
"Determined Events and Random Events" PPT Download Part One: Learning Objectives: Initial understanding that the occurrence of some events is uncertain, and the occurrence of some events is certain. Be able to distinguish inevitable events, impossible events and random events in life; be able to correctly Judgment random..
"Deterministic Events and Random Events" PPT courseware:
The first part of the PPT courseware "Determined Events and Random Events" content: The new lesson introduces the little magic trick of guessing poker: draw one from four playing cards (don't let the teacher see it), the teacher can tell you the playing card you drew. The numbers above. If in a certain World Table Tennis...
File Info
Update Time: 2024-10-02
This template belongs to Mathematics courseware People's Education Press Ninth Grade Mathematics Volume 1 industry PPT template
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