[{"id":4577,"question":"","questionImage":"4577_14-q.jpg","choices":[{"text":"β<sub>1</sub>","value":"A"},{"text":"β<sub>2</sub>","value":"B"},{"text":"β<sub>3</sub>","value":"C"},{"text":"S<sub>k</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4574,"question":"In case of symmetrical distribution","choices":[{"text":"μ<sub>1</sub> =&nbsp;μ<sub>2</sub> =&nbsp;μ<sub>3</sub> =&nbsp;μ<sub>4</sub>","value":"A"},{"text":"β<sub>1</sub> =&nbsp;β<sub>2</sub>","value":"B"},{"text":"P<sub>1</sub> &lt; P<sub>2</sub>","value":"C"},{"text":"","img":"4574_9-d.jpg","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":4573,"question":"In case of normal distribution maximum value of ordinate is","choices":[{"text":"μ","value":"A"},{"text":"Zero","value":"B"},{"text":"","img":"4573_4-c.jpg","value":"C"},{"text":"","img":"4573_4-d.jpg","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":4409,"question":"P(μ-2σ &lt; X=&lt; μ + 2σ)=","choices":[{"text":"0.6827","value":"A"},{"text":"0.9545","value":"B"},{"text":"0.9973","value":"C"},{"text":"0.9827","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4408,"question":"P ( | Z | &gt; a) =","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">2</span><span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">ø(a)&nbsp;- 1</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">ø(a)</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">2&nbsp;ø (-a)</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">1-ø(a)</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":4407,"question":"Points of inflexion of normal curve are at","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">μ and&nbsp;σ</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">x=μ-σ and x=μ+σ</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">μ and 2σ</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">μ = o</span>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4406,"question":"All odd order moments about mean are","choices":[{"text":"unique","value":"A"},{"text":"zero","value":"B"},{"text":"different","value":"C"},{"text":"one","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4404,"question":"Total probability under the normal curve is","choices":[{"text":"1","value":"A"},{"text":"0","value":"B"},{"text":"-1","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">∞</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":4403,"question":"The range of a normal distribution is","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">—∞ to 1</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">—∞ to 0</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">—∞ to +&nbsp;</span><span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">∞</span>","value":"C"},{"text":"0 to&nbsp;<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">∞</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":4402,"question":"The shape of the normal distribution is like","choices":[{"text":"J.","value":"A"},{"text":"L","value":"B"},{"text":"bell","value":"C"},{"text":"circle","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":4400,"question":"Normal distribution is","choices":[{"text":"unimodal","value":"A"},{"text":"bimodal","value":"B"},{"text":"trimodal","value":"C"},{"text":"multimodal","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":4399,"question":"In case of normal distribution the area to the left of the mean and area to the right of the mean is","choices":[{"text":"positive&nbsp;","value":"A"},{"text":"negative","value":"B"},{"text":"equal","value":"C"},{"text":"unequal","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":4398,"question":"The moment Coefficient of kurtosis is","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">β<sub>1</sub></span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">β<sub>2</sub></span>","value":"B"},{"text":"Zero","value":"C"},{"text":"m<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4397,"question":"The moment coefficient of skewness is","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">β<sub>1</sub></span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">β<sub>2</sub></span>","value":"B"},{"text":"S<sub>k</sub>","value":"C"},{"text":"m<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":4396,"question":"In case of normal distribution maximum value of ordinate is","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;\">μ</span>","value":"A"},{"text":"Zero","value":"B"},{"text":"","img":"4396_4-c.jpg","value":"C"},{"text":"","img":"4396_4-d.jpg","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":4394,"question":"Second moment about mean is also called","choices":[{"text":"mean","value":"A"},{"text":"variance","value":"B"},{"text":"skewness","value":"C"},{"text":"standard deviation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4393,"question":"The probability density function has ------------------ value for every value of x.","choices":[{"text":"negative","value":"A"},{"text":"positive","value":"B"},{"text":"minimum","value":"C"},{"text":"maximum","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":4392,"question":"The normal distribution is --------------------distribution.","choices":[{"text":"positively skewed","value":"A"},{"text":"negatively skewed","value":"B"},{"text":"symmetrical","value":"C"},{"text":"peaked","value":"D"},{"value":"E"}],"correctAnswer":3}]