31:[] 2f:{"title":"Probability Distributions","cells":[{"id":0,"value":"md`# Probability Distributions`","pinned":false,"hidden":false,"mode":"ojs"},{"id":83,"value":"html`The experiment is flipping a coin. The random variable X will be 1 if it's heads and 0 if it's tails.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":35,"value":"{\n const svg = html`` \n const container = d3.select(svg)\n container.attr(\"style\",\"width: 600px; height: 300px; border:1px black solid\")\n \n const xScale = makeXAxis(container,[-2,2],[30,570],270,5)\n const yScale = makeYAxis(container,[0,1],[270,30],300,5)\n \n makeBar(container,xScale,yScale,0,.5,.3,\"skyblue\",.5)\n makeBar(container,xScale,yScale,1,.5,.3,\"skyblue\",.5)\n return svg\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":99,"value":"html`The experiment is flipping two coins. The random variable X will be 0 if two tails are tossed, 2 if two heads are tossed, and 1 otherwise.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":102,"value":"{\n const svg = html`` \n const container = d3.select(svg)\n container.attr(\"style\",\"width: 600px; height: 300px; border:1px black solid\")\n \n const xScale = makeXAxis(container,[-1,3],[30,570],270,5)\n const yScale = makeYAxis(container,[0,1],[270,30],xScale(0),5)\n \n makeBar(container,xScale,yScale,0,.25,.4,\"skyblue\",.5)\n makeBar(container,xScale,yScale,1,.5,.4,\"skyblue\",.5)\n makeBar(container,xScale,yScale,2,.25,.4,\"skyblue\",.5)\n\n return svg\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":127,"value":"html`The experiment is rolling a die. The random variable X will be the value showing.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":129,"value":"{\n const svg = html`` \n const container = d3.select(svg)\n container.attr(\"style\",\"width: 600px; height: 300px; border:1px black solid\")\n \n const xScale = makeXAxis(container,[0,7],[30,570],270,7)\n const yScale = makeYAxis(container,[0,1],[270,30],xScale(0),5)\n \n for(let i = 1; i <= 6; i = i + 1){\n makeBar(container,xScale,yScale,i,1/6,.4,\"skyblue\",.5)\n }\n\n return svg\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":138,"value":"html`The experiment is rolling two dice. The random variable X will be the sum of the numbers showing.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":143,"value":"{\n const svg = html`` \n const container = d3.select(svg)\n container.attr(\"style\",\"width: 600px; height: 300px; border:1px black solid\")\n \n const xScale = makeXAxis(container,[0,13],[30,570],270,14)\n const yScale = makeYAxis(container,[0,.3],[270,30],xScale(0),5)\n \n for(let i = 2; i <= 7; i = i + 1){\n makeBar(container,xScale,yScale,i,(i - 1)/36,.4,\"skyblue\",1)\n }\n \n for(let i = 2; i <= 6; i = i + 1){\n makeBar(container,xScale,yScale,14-i,(i - 1)/36,.4,\"skyblue\",1)\n }\n\n return svg\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":5,"value":"html`

Libraries

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"d3 = require(\"d3@5\")","pinned":false,"hidden":false,"mode":"ojs"},{"id":9,"value":"import {slider,button,select,text,radio,checkbox,number} from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":11,"value":"math = require('mathjs@6.2.1/dist/math.js')","pinned":false,"hidden":false,"mode":"ojs"},{"id":13,"value":"stat = require('simple-statistics@7.3.0/dist/simple-statistics.min.js')\n","pinned":false,"hidden":false,"mode":"ojs"},{"id":20,"value":"{\n const svg = html`` \n const container = d3.select(svg)\n container.attr(\"style\",\"width: 600px; height: 300px; border:1px black solid\")\n \n \n return svg\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":24,"value":"makeXAxis = function(container,domain,range,y,ticks){\n const xScale = d3.scaleLinear().domain(domain).range(range)\n const xAxis = container.append(\"g\").attr(\"transform\",`translate(0,${y})`)\n d3.axisBottom(xScale).ticks(ticks)(xAxis)\n return xScale\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":27,"value":"makeYAxis = function(container,domain,range,x,ticks){\n const yScale = d3.scaleLinear().domain(domain).range(range)\n const yAxis = container.append(\"g\").attr(\"transform\",`translate(${x},0)`)\n d3.axisLeft(yScale).ticks(ticks)(yAxis)\n return yScale\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":59,"value":"makeBar = function(container,xScale,yScale,x,p,width,fill,opacity){\n container.append(\"rect\")\n .attr(\"x\",xScale(x - width))\n .attr(\"y\",yScale(p))\n .attr(\"width\",xScale(x + width)- xScale(x - width))\n .attr(\"height\",yScale(0) - yScale(p))\n .attr(\"fill\",fill)\n .attr(\"stroke\",\"black\")\n .attr(\"opacity\",opacity)\n\n}","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W31","stdlib":"1","titling":"auto"}