Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a?discrete probability distribution The?discrete random variable?follows a?binomial distribution?if i...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.5 Dangers of Radiation Dangers of Radiation Ionising radiation can damage human cells and tissues If the atoms that make up a DNA strand a...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.4 Contamination & Irradiation Contamination & Irradiation Contamination Contamination is defined as: The unwanted presence ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.3 Uses of Radioactivity Uses of Radioactivity Radiation is used in a number of different ways: Medical procedures including diagnosis and ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.2 Half-Life Half-Life It is impossible to know when a particular unstable nucleus will decay But the rate at which the activity of a sampl...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.1 Activity & Decay Activity and Decay Objects containing radioactive nuclei are called?sources?of radiation Sources of radiation decay...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a?decay equation A decay equation is similar to a che...
Discrete Random Variables What is a discrete random variable? A?random variable?is a variable whose value depends on the outcome of a?random event The value of the random variable is not known unti...
