MCQ 11 MarkWhat is the derivative of $f(x)=5 x^2+2$ ?A$5 x$B$7 x$✓$10 x$D$12 x$AnswerCorrect option: C. $10 x$View full question & answer→
MCQ 21 MarkWhat is the modulus form of $N (-5,0,02)$ ?✓$|x+5|<0.02$B$|x-0.02|<5$C$|x-5|>0.02$D$|x-5|<0.02$AnswerCorrect option: A. $|x+5|<0.02$View full question & answer→
MCQ 31 MarkWhat is the area under the normal curve to the right-hand side of the perpendicular line at $x=\mu$ ?A$0$✓$0.5$C$1$D$-0.5$AnswerCorrect option: B. $0.5$View full question & answer→
MCQ 41 MarkIn normal distribution, usually what percentage of the observations are included in the limits $\mu \pm 2.575 \sigma$ ?A$68.26 \%$B$95 \%$✓$99 \%$D$99.73 \%$AnswerCorrect option: C. $99 \%$View full question & answer→
MCQ 51 MarkFor a positively skewed binomial distribution with $n=20$, which of the following values might be the value of mean?✓$8$B$10$C$15$D$20$AnswerCorrect option: A. $8$View full question & answer→
MCQ 61 MarkWhat is the probability of having $5$ thursdays in the month of August in a year?A$0$B$\frac{1}{7}$C$\frac{2}{7}$✓$\frac{3}{7}$AnswerCorrect option: D. $\frac{3}{7}$View full question & answer→
MCQ 71 Mark'Decrease in the productino of a company' due to strike'. Which type of this variation?✓RandomBTrendCSeasonalDCyclicalAnswerCorrect option: A. RandomView full question & answer→
MCQ 81 MarkThe regression line always passes through which point?A$(0,0)$B$(\bar{x}, 0)$C$(0, \bar{y})$✓$(\bar{x}, \bar{y})$AnswerCorrect option: D. $(\bar{x}, \bar{y})$View full question & answer→
MCQ 91 MarkIn the method of rank correlation, what is the sum of differences of the ranks of two variables?✓$0$B$-1$C$1$DAny real numberAnswerCorrect option: A. $0$View full question & answer→
MCQ 101 MarkThe Price of an item is increased by $3.2$ times in the current year as compared to the base year. What will be the price index number?A$32$B$320$✓$420$D$220$AnswerCorrect option: C. $420$View full question & answer→