There are \(3\) questions in a test. For each question \(1\) point is awarded for a correct answer and none for a wrong answer. If the probability that Janine correctly answers a question in the test is \(2/3\) determine the probability that she gets zero in the test.
A\(8/27\)
B\(4/9\)
C\(1/30\)
D\(1/27\)
#42📜 EE Board April 1991
In the ECE Board Examinations, the probability that an examinee will pass each subject is \(0.8\). What is the probability that an examinee will pass at least two subjects out of the three board subjects?
A70.9%
B80.9%
C85.9%
D89.6%
#43
In a multiple choice test, each question is to be answered by selecting \(1\) out of \(5\) choices, of which only \(1\) is right. If there are \(10\) questions in a test, what is the probability of getting \(6\) right of pure guesswork?
A10%
B6%
C0.44%
D0.55%
#44📜 ME Board April 1994
From a box containing \(6\) red balls, \(8\) white balls and \(10\) blue balls, one ball is drawn at random. Determine the probability that it is red or white.
A\(1/3\)
B\(7/12\)
C\(5/12\)
D\(1/4\)
#45📜 EE Board October 1990
From a bag containing \(4\) black balls and \(5\) white balls, two balls are drawn one at a time. Find the probability that both balls are white. Assume that the first ball is returned before the second ball is drawn.
A\(25/81\)
B\(16/81\)
C\(5/18\)
D\(40/81\)
#46📜 CE Board May 1996
A bag contains \(3\) white and \(5\) black balls. If two balls are drawn in succession without replacement, what is the probability that both balls are black?
A\(5/16\)
B\(5/28\)
C\(5/32\)
D\(5/14\)
#47📜 ME Board April 1996
An urn contains \(4\) black balls and \(6\) white balls. What is the probability of getting \(1\) black and \(1\) white ball in two consecutive draws from the urn?
A0.24
B0.27
C0.53
D0.04
#48📜 EE Board October 1990
From a bag containing \(4\) black balls and \(5\) white balls, two balls are drawn one at a time. Find the probability that one ball is white and one ball is black. Assume that the first ball is returned before the second ball is drawn.
A\(16/81\)
B\(25/81\)
C\(20/81\)
D\(40/81\)
#49📜 EE Board October 1997
A group of \(3\) people enter a theater after the lights had dimmed. They are shown to the correct group of \(3\) seats by the usher. Each person holds a number stub. What is the probability that each is in the correct seat according to the numbers on seat and stub?
A\(1/6\)
B\(1/4\)
C\(1/2\)
D\(1/8\)
#50
From \(20\) tickets marked with the first \(20\) numerals, one is drawn at random. What is the chance that it will be a multiple of \(3\) or of \(7\)?
A\(1/2\)
B\(8/15\)
C\(3/10\)
D\(2/5\)
#51
The product of nPn-r and rPl is equal to
AnPn-r+l
BnPn+r-l
CnPn-l
DnPr-l
#52
It is a measure of dispersion which depends only on two scores in the entire distribution.
Amean deviation
Bquartile deviation
Cvariance
Drange
#53
The most numerous or most common value in a series of values is called the
Arange
Bmode
Cmean
Dmedian
#54
What do you call each possible outcome of an experiment?
Atrial
Bsample
Cevent
Dvariate
#55
Which of the following is a measure of central tendency whose magnitude depends directly on the size of the scores in the group?
Aarithmetic mean
Bharmonic mean
CMedian
DMode
#56
An arrangement of raw numerical data in ascending or descending order of magnitude is called
Adata
Barray
Cfrequency
Dcategory
#57
A tabulation of data showing the number of times a score or group of scores appears is called
Anormal distribution
BPoisson distribution
Cfrequency distribution
Dprobability distribution
#58
The probability of an impossible event is
Azero
Bunity
Cinfinity
Dundefined
#59
It is a variable that can only assume designated values.
Acontinuous variable
Bparameter
Cdiscrete variable
Dvariate
#60
If two events have no outcome in common, then they are said to be
