Applied mathematics probability statistics device

A technique of probability statistics and applied mathematics, applied in the field of mathematics teaching tools, can solve problems such as affecting the accuracy of probability statistics, unfavorable teaching use, and inability to intuitively observe the size of the elastic force, so as to avoid repeated triggering and facilitate the control of the elastic force.

Inactive Publication Date: 2020-07-03
YELLOW RIVER CONSERVANCY TECHN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during use, the operator cannot intuitively observe the elastic force when the marbles are ejected. At the same time, during the falling process, the marbles on the i

Method used

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  • Applied mathematics probability statistics device
  • Applied mathematics probability statistics device
  • Applied mathematics probability statistics device

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] Such as Figure 1-4 As shown, the present invention provides a technical solution: an applied mathematical probability statistics device, comprising a box body 1, a glass side plate 2, an arc tube 3, a catapult 4 and a counting plate 7, and the four corners of the bottom surface of the box body 1 Horizontal adjustment blocks 12 are respectively arranged at the four horizontal adjustment blocks 12 to complete the adjustment of the overall level of the bo...

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Abstract

The invention provides an applied mathematics probability statistics device. The device comprises a box body, a glass side plate, an arc-shaped pipe, an ejection cylinder and counting plates, the boxbody is a semi-closed box with an opening formed in the side face. An arc-shaped pipe is fixed to the center of the top end of the box. The side end of the arc-shaped pipe is fixed at the side end ofthe box body; an ejection cylinder is fixed at the other end of the arc-shaped pipe; an elastic roller is arranged at the middle upper part in the box body; a plurality of baffles at equal intervals are fixed in the box body and close to the bottom of the box body; the counting plate is fixed below each marble channel in the box body; a flow guide plate is also fixed on the inner bottom surface ofthe box body; the problems that in the using process of an existing operating device, an operator cannot visually observe the elastic force during marble ejection, meanwhile, in the falling process,a marble on a counting piece on the inner side possibly triggers a counting piece close to the outer side to count in the falling process, and the structural accuracy of probability statistics is affected are solved.

Description

technical field [0001] The invention belongs to the technical field of mathematics teaching tools, and in particular relates to an applied mathematics probability statistics device. Background technique [0002] Probability statistics is a mathematical method for studying the statistical laws of random phenomena in nature, called probability statistics, also known as mathematical statistics methods. The main research objects of probability and statistics are random events, random variables and random processes. Probability, also known as probability rate, chance rate, probability or possibility, is a basic concept of probability theory. Probability is a measure of the possibility of a random event. Generally, a real number between 0 and 1 represents the possibility of an event occurring. In the teaching of probability and statistics, in order to facilitate the intuitive understanding of the concept of probability, some Random probability teaching aids are used to assist th...

Claims

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Application Information

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IPC IPC(8): G09B23/02
CPCG09B23/02
Inventor 郝振莉吕良军张兵梁童荆一昕刘苏锋
Owner YELLOW RIVER CONSERVANCY TECHN INST
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