Download App

Board Question Paper : March 2018 — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsBoard Question Paper : March 20183 Marks
Question
Define the following terms $:(1)$ Sample Space $(2)$ Mutually Exclusive Events $(3)$ Complimentary Event $OR$ The events $A_1$ and $A_2$ of a random experiment are as follows. Find the sets showing the union events $A_1 \cup A_2$ and intersection events $A_1 \cap A_2 :$
✓

Answer

self practice

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Each" from Board Question Paper : March 2018→Board Question Paper : March 2018 — all question types→Statistics STD 12 Commerce question papers→Gujarat Board STD 12 Commerce question papers→Gujarat Board question paper generator→

Similar questions

A normal distribution has mean $50$ and variance $9.$ Find the probability that $(I)$ The value of normal variable $X$ lies between $50$ and $53.\ (Ii)$ The value of normal variable $X$ lies between $47$ and $53.$
→
Find the value of $\lim _{x \rightarrow 1} \frac{2 x^{2}+x-3}{x^{2}-1}$.
→
$8$ workers are employed in a factory and $3$ of them are excellent in efficiency where as the rest of them are moderate in efficiency. $2$ workers are randomly selected from these $8$ workers. Find the probability that $(1)$ both the workers have excellent efficiency $(2)$ both the workers have moderate efficiency $(3)$ one worker is excellent and one worker is moderate in efficiency.
→
Obtain the linear equation for trend for a Time Series with $n=8$, $\Sigma y=344, \Sigma t y=1342$.
→
If $\bar{t}=3.5, \Sigma y=36, \Sigma t y=134$ for a time series, find the linear equation.
→
What is base year? Which points should be considered while choosing it ?
→
Find the chain base index number from the following data regarding the price of an item.
Month $2009$ $2010$ $2011$ $2012$ $2013$ $2014$
Index number $40$ $45$ $48$ $55$ $60$ $70$
→
Discuss the merits and limitations of the method of moving averages.
→
Find $\frac{d y}{d x}, y=\frac{2 x+3}{3 x-2}$
→
Find the values of the following: $\lim _{x \rightarrow 3} \frac{x-3}{2 x^{2}-3 x-9}$
→