Question 1 :
<p>The probability of a cricket team winning match at Kanpur is 2/5 and hosing match at Delhi is 1/7 what is the Probability of the team winning atleast one match?</p>

Question 2 :
<p>A team of 5 is to be selected from 8 boys and three girls. Find the probability that it includes two particular girls</p>

Question 3 :
<p>Find the expected value of the following probability distribution</p><p>x : -20 -10 30 75 80 </p><p>p(x) 3/20 1/5 1/2 1/10 1/20</p><p> </p>

Question 4 :
<p>Let A and B two events in a sample space S such that P(A) = {tex}{1 \over 2}{/tex} P({tex}\bar{B}{/tex}) = P{tex}{5 \over 8}{/tex} (AuB) = Find P {tex}{3 \over 4}{/tex} ({tex}\bar{A}{/tex}n{tex}\bar{B}{/tex})</p>

Question 5 :
<p>If two events A,B,P(A) = {tex}{1 \over 2}{/tex}, P (B) = {tex}{1 \over 3}{/tex}, and O(A u B)= {tex}{2\over 3}{/tex}, then P(A n B) is :</p>

Question 6 :
<p>Let A anf B are two events with P(A) ={tex}{2\over 3}{/tex}, P(B)={tex}{1\over 4}{/tex} and P(AnB)={tex}{1\over 12}{/tex} then P(B/A) will be:</p>

Question 7 :
<p>The odds that a book will be favourably received by 3 independent reviewers are 5 to 2, 4 to 3 and 3 to 4 respectively. What is the probability that out of 3 reviewers a majority will be favourable?</p>

Question 8 :
<p>Find the expected value of the following probability distribution</p><p>x : -20 -10 30 75 80 </p><p>P(x): 3/20 1/5 1/2 1/10 1/20</p>

Question 9 :
<p>One card is drawn fron pack of 52 ,What is the probability that it is a king or a queen?</p>

Question 10 :
<p>A dice is thrown once. What is the mathematical expectation of the number on the dice ?</p>

Question 13 :
<p>Find the number of observations between 350 and 400 frome the following data :</p><table border="1" cellpadding="1" cellspacing="1" width:500px"> <tbody> <tr> <td>Value </td> <td>more than 200</td> <td>more than 350 </td> <td>more than 400 </td> <td>more than 450 </td> </tr> <tr> <td>No. of observation : </td> <td>48 </td> <td>2</td> <td> </td> <td> </td> </tr> </tbody></table><p> </p>

Question 14 :
<p>Find the Number of observations between 150 and 200 based on the following data -</p><p> Value: More More More More</p><p> than 100 than 150 than 200 than 250</p><p>No. of observations: 76 63 28 05</p>

Question 17 :
<p>the graphics represenatation of a cumulative frequency distribution is called :</p>

Question 18 :
<p>Out of 1000 persons, 25 per cent were industrial workers and the rest were agricultural workers. 300 persons enjoyed world cup matches on T.V. 30 per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV?</p>

Question 21 :
<p>Histogram is used for the presentation of the following type of series</p>

Question 22 :
<p>Profits made by XYZ Bank in different years refer to : </p>

Question 24 :
<p>When the width of all classes is same frequancy, polygon has not the same area as the histogram :</p>

Question 26 :
<p>The point of intersection of less than 0 give and greater than ogive curve gives us: </p>

Question 27 :
<p> Curve obtained by joining the points whose x coordinates are the upper limits of the class intervals and y coordinates are the corresponding&#39; cumulative frequencies is called.</p>

Question 29 :
<p>Frequency density corresponding to class interval is the ratio of: </p>

Question 30 :
<p>The most common form of diagrammatic representation of a grouped frequency distribution is:</p>

Question 31 :
<p>Out of 1000 persons, 25 per cent were industrial workers and the rest were agricultural workers. 300 persons enjoyed world cup matches on T.V. 30 per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV?</p>

Question 32 :
<p>In 2000, out of total of 1,750 workers of a factory, 1,200 were members of a trade union. The number of women employed was 200 of which 175 did not belong to a trade union. In 2004, there were 1,800 employees who belong to a trade union and 50 who did not belong to trade union. Of all the employees in 2004, 300 were women of whom only 8 did not belong to the trade union. On the basis of this information, the ratio of female members of the trade union in 2000 and 2004 is :</p>

Question 34 :
<p>In order to compare two or more related series, we consider:</p>

Question 35 :
<p>For constructing a histogram the class intervals of a frequency distribution.must be of the following type:</p>

Question 36 :
<p>If the data represent costs spent on conducting an examination under various needs, then the most suitable diagram will be:</p>

Question 39 :
<p>The number of car accidents in saven days in a locality are given below : </p><p>No. of accidents : 0 1 2 3 4 5 6 7 </p><p>frequency : 12 9 11 13 8 9 6 3 </p><p>What will be the number of casses when 4 or more accidents occurred ? </p>

Question 40 :
<p>Find The number of observation between 250 and 300 from the following data \</p><table border="1" cellpadding="1" cellspacing="1" width:500px"> <tbody> <tr> <td>Value more than:</td> <td> 200</td> <td> 250</td> <td> 300</td> <td> 500</td> </tr> <tr> <td>No. of observation:</td> <td> 56</td> <td> 38</td> <td> 15</td> <td> 0</td> </tr> </tbody></table><p> </p>

Question 43 :
<p>Most extreme values which would ever be included in a class interval are called:</p>

Question 49 :
<p>Frequency density corresponding to a class interval is the ratio of ; </p>