"Random Events" PPT Courseware 2

Description

"Random Events" PPT Courseware 2

learning target

1. Understand the basic concepts and characteristics of random events, inevitable events, and impossible events.

2. Able to judge what kind of event an event belongs to based on random events, inevitable events, and impossible events.

3. Be able to cite simple random events, inevitable events, and impossible events.

Under certain conditions

inevitable event inevitable event

impossible event impossible event

Events that may or may not occur Random events

please think about it

Xiaowei throws a square dice with uniform texture. The six sides of the dice are respectively engraved with numbers 1 to 6. Consider the following question. Roll a die and look at the upward side:

(1) What points may appear?

(2) Will the number that appears be 7?

(3) Are the points that appear greater than 0?

(4) Will the number of points that appears be 4?

Class summary

Determine event

Inevitable event: An event that will inevitably occur in each test when the test is repeated under certain conditions.

Impossible event: An event that is unlikely to occur in each test when the test is repeated under certain conditions.

Random event: An event that may or may not occur under certain conditions.

Characteristics: Unpredictability means uncertainty!

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Update Time: 2024-11-20

This template belongs to Mathematics courseware Qingdao Edition Ninth Grade Mathematics Volume 2 industry PPT template

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