MTH302 Quiz 5 File by Vu Topper RM-1
MTH302 Quiz 5 File by Vu Topper RM-1
MTH302 Quiz 5 File by Vu Topper RM-1
Attendance in a factory shows 7 absences. What is probability that on a given day there will be more
than 8 people absent?
0.184
0.5
None of these.
Integer
In Binomial distribution, the outcome on one trial ………… the outcome on other trials.
Does affect
May affect
None of these
The mean of a Poisson distribution is 5 while its standard deviation is 4.then what option is correct
about this statement.
Select correct option:
Which of the following is NOT applicable to a Poisson Distribution? Select correct option:
The range for the number of events that could occur is 0,1,2,3, ... (Right Answer)
Dependent
May be independent
None of these
Probability distribution is a set of possible values that a random variable can assume and their
associated probabilities of occurrence.
Select correct option:
None of these
The sum of all probabilties for any poisson density function is always ___ . Select correct option:
1 (Right Answer)
2
None of these.
The number of telephone calls that pass through a switchboard has a Poisson distribution with mean
equal to 2 per minute. The probability that no telephone calls pass through the switch board in two
consecutive minutes is:
Select correct option:
0.2707
0.0517
0.1353
If the mean & standard deviation on an examination are ‘74’ & ‘12’ respectively
and the grades ‘x=74’ then the scores (z) in standard units of students receiving
are
0.8378
-0.8378
1 (Right Answer)
0
A pair of fair die is rolled. What will be the probability of “Sum of dots on upper sides is odd number?
15/36
10/36
None of these
None of these
The successive negative binomial trials are assumed to be Select correct option:
Dependent
May be independent
None of these
Probability of occurrence of an event A = ------ (Where X=Number of outcomes favorable to event A
and n=total number of outcomes)
nX
n/X
X/n (Right Answer)
None of these
The Excel command “=BINOMDIST( 4, 10, 2, FALSE)” gives an error of #NUM. The reason is that
the probability of successes is 2 which is wrong. The
probability of successes cannot be greater than 1.
False
nX
n/X
X/n (Right Answer)
None of these
What is probabilty of r or more successes when m=7;r=9 Select correct option:
0.184
0.5
None of these
The probability of successes can be less than 0 or greater than 1. Select correct option:
True
In Binomial distribution, the outcome on one trial ………… the outcome on other trials.
Does affect
May affect
None of these
False
Which of the following can be best fit for the prediction of the vehicles arriving at their destination in 2
hours?
Suppose, you have a bag in which there are one green and one red ball. You take out a ball
repeatedly and put it back into the bag, and you count the number of times the green ball comes out.
You continue to take out the ball until the green ball comes out 3 times. This experiment shows the
case of Negative
Binomial Distribution. Select correct option:
True
The Excel command CRITBINOM(trials,p,alpha) where n is the number of trials, p is the probability
of success in trials, and alpha is the criterion value. If trials < 0 , then CRITBINOM returns #NUM!
error.
True
FALSE
#VALUE!
#NUM!
Probability of sure event is ------
-1
None of these
A pair of fair die is rolled. What will be the probability of “Sum of dots on upper
15/36
10/36
None of these
False
Suppose, you have a bag in which there are one green and one red ball. You take out a ball
repeatedly and put it back into the bag, and you count the number of times the green ball comes out.
You continue to take out the ball until the green ball comes out 3 times. This experiment shows the
case of Negative Binomial Distribution. Select correct option:
True
1/6
2/6
None of these
An automatic production line breaks down every 2 hours.Special production requires uninterrupted
operation for 8 hours.What is the probabilty that this can be achieved.
0.312
0.021
None of these.
Question # 10 of 10 ( Start time: 07:10:01 PM) Total Marks: 1
Significant birth defects occur at a rate of about 4 per 1000 births in human populations. Which type
of distribution can better deal with the above mentioned case?
Normal Distribution.
Poisson Distribution.
None of these
Which of the following can be best fit for the prediction of the vehicles arriving at
Normal Distribution
Poisson Distribution
Chi-Square Distribution
Dependent
May be independent
None of these
TRUE
FALSE
#VALUE!
truncated if ‘x’ is
Integer
A lottery has Rs.100 payout on average 20 turns.What will be expected win per
turn.
Select correct option:
Rs. -5
Rs.3
None of these.
If the mean & standard deviation on an examination are ‘74’ & ‘12’ respectively and the grades
‘x=74’ then the scores (z) in standard units of students receiving are
0.8378
-0.8378
1 Right Answer)
Either/or situation.
None of these
An automatic packing machine produces on an average one in 100 underweight bags. What is the
probabilty that 500 bags contain less than three underweight bags?
0.018
0.312
None of these.
During a typical football game, a coach can expect 3.2 injuries. Find the probability that the team will
have at most 1 injury in this game.We are interested in
P(X<1 )
P(X=1 )
P(X=0 ) + P(X=1 )
1+q
None of these
Which of the following can be best fit for the prediction of the vehicles arriving at their destination in 2
hours?
Normal Distribution
Poisson Distribution
Chi-Square Distribution
nX
n/X
None of these
If the mean & standard deviation on an examination are ‘74’ & ‘12’ respectively and the standard
scores is ‘z= -1’ then the grade ‘x’ is Select correct option:
-62
889
62
In Binomial distribution, the outcome on one trial ………… the outcome on other trials.
Does affect
May affect
None of these
The marketing manager of a company receives average10 complaint calls during a week .Suppose
that the number of calls during a week follows the Poisson distribution. The probability that she gets
five such calls in one day is:
1-(10^5e^-10)/5!
2 Right Answer)
None of these.
The Excel command “=BINOMDIST( 4, 10, 2, FALSE)” gives an error of #NUM. The reason is that
the probability of successes is 2 which is wrong. The probability of successes cannot be greater than
1.
False
None of these
2 Right Answer)
None of these.
The Excel command CRITBINOM(trials,p,alpha) where n is the number of trials, p is the probability
of success in trials, and alpha is the criterion value. If trials < 0 , then CRITBINOM returns #NUM!
error.
False
Variance
Mean
Frequency
12% of the electric bulbs manufactured by a company are defective. What is the probability that a
bulb selected will not be defective?
90%
80%
85%
A lottery has Rs.100 payout on average 20 turns.What will be expected win per
turn.
Rs. -5
Rs.3
None of these.
In the excel formulation for Poisson distribution i-e "POISSON(x,mean,cumulative)", ‘x’ is the
Logical value that determines the form of the probability distribution returned
Suppose, you have a bag in which there are one green and one red ball. You take out a ball
repeatedly and put it back into the bag, and you count the number of times the green ball comes out.
You continue to take out the ball until the green ball comes out 3 times. This experiment shows the
case of Negative Binomial Distribution. Select correct option:
True
What is the probability of at least one head in the experiment of tossing a coin
three times?
1/7
8/7
False
Probability distribution is a set of possible values that a random variable can assume and their
associated probabilities of occurrence. Select correct option:
False
For normal distribution the probability of an event is zero if and only if value of ‘z’
Greater than 3
Less than 3
None of these
15
-1
Logical value that determines the form of the probability distribution returned
True
A pair of fair die is rolled. What will be the probability of “Sum of dots on upper
15/36
10/36
None of these
An automatic production line breaks down every 2 hours.Special production requires uninterrupted
operation for 8 hours.What is the probabilty that this can be achieved.
0.312
0.021
0.0183 Right Answer)
None of these.
Dependent
May be independent
None of these
E(X) = μ , Var(X) = μ
E(X) = μ , Var(X) = - μ
E(X) = 0 , Var(X) = 0
Probability distribution is a set of possible values that a random variable can assume and their
associated probabilities of occurrence.
False
The marketing manager of a company receives average10 complaint calls during a week .Suppose
that the number of calls during a week follows the Poisson distribution. The probability that she gets
five such calls in one day is:
1-(10^5e^-10)/5!
During a typical football game, a coach can expect 3.2 injuries. Find the probability that the team will
have at most 1 injury in this game.We are interested in
P(X<1 )
P(X=1 )
P(X=0 ) + P(X=1 )
P(AUB)=P(A)P(B)
P(AUB)=P(A)/P(B)
P(AUB)=P(A)-P(B) Right Answer)
P(AUB)=P(A)+P(B)
None of these
In the excel formulation for Poisson distribution i-e "POISSON(x,mean,cumulative)", if X<0 then it
returns to Select correct option:
TRUE
FALSE
#VALUE!
1/6
2/6
None of these
If the mean & standard deviation on an examination are ‘74’ & ‘12’ respectively and the standard
scores is ‘z= -1’ then the grade ‘x’ is Select correct option:
-62
887
62
18
Either/or situation.
None of these.
The range for the number of events that could occur is 0,1,2,3, ...
May be independent
None of these
Which of the following can be best fit for the prediction of the vehicles arriving at
Normal Distribution
Poisson Distribution
Chi-Square Distribution
-1 to 0
-1 to 1
0 to 1 Right Answer)
None of these
A lottery has Rs.100 payout on average 20 turns.What will be expected win per
turn.
Rs. -5
Rs.3
None of these.
19
The marketing manager of a company receives average10 complaint calls during a week .Suppose
that the number of calls during a week follows the Poisson distribution. The probability that she gets
five such calls in one day is:
1-(10^5e^-10)/5!
A coin is tossed twice. What is the probability of getting head on first toss and tail
on second toss?
½ Right Answer)
1/3
None of these
A lottery has Rs.100 payout on average 20 turns.What will be expected win per
turn.
Rs. -5
Rs.3
None of these.
20/100=5
None of these
An automatic packing machine produces on an average one in 100 underweight bags.What is the
probabilty that 500 bags contain less than three underweight bags?
0.018
0.312
None of these
P(A or B) (A)-P(B)
None of these
In Binomial distribution, the outcome on one trial ………… the outcome on other
trials.
Does affect
May affect
None of these
Logical value that determines the form of the probability distribution returned
Dependent
May be independent
None of these
Probability distribution is a set of possible values that a random variable can assume and their
associated probabilities of occurrence.
False
The Excel command “=BINOMDIST( 4, 10, 2, FALSE)” gives an error of #NUM. The reason is that
the probability of successes is 2 which is wrong. The probability of successes cannot be greater than
1.
False
None of these