2
EGR 1400 Final Exam with precise detailed answers || || || || || || ||
Two resistors R1 and R2 are in parallel. If R1 = R2 = 80 ohms, what is the equivalent
|| || || || || || || || || || || || || || || || || || ||
resistance if these two resistors were combined into one? - ✔✔40 ohms || || || || || || || || || || ||
In the circuit below, the resistance Rab is equal to___?
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circuit har a 6 ohm resistor in series with an 8 ohm resistor that is parallel to another 8 ohm
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resistor - ✔✔10
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A Detroit Lions football player kicks a football at an angle of 30º and a velocity of 20 meters
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per second. How high will the ball go (in meters from the ground)? - ✔✔5.1
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In a desperate attempt to get Juliet's attention, Romeo (who is 6 foot tall) throws a rock
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from 1 foot above his head at an angle of 45º with a velocity of 22 meters per second.
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Assuming that the rock hits the center of the window when it has reached it's highest point,
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how high is the window (the center of the window, in meters)?
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If Juliet, who just caught a glimpse of Romeo picking up the rock, excitedly ran to the
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window and opened it 2 seconds after Romeo threw the rock, would the rock hit the
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window or Juliet? - ✔✔14.5, window || || || || ||
(Poisson distribution) Depending on the color of car you purchase, you may be at a higher
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risk for getting a speeding ticket. For Porsche's, a black car typically gets 1.4 speeding
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tickets, a white car typically gets 1.2 speeding tickets, and a red car typically gets 3.2
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speeding tickets over a year period. If you purchased a red Porsche, what's the probability of
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getting exactly one speeding ticket? - ✔✔13.04%
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A company that makes toy Elmo dolls has a chief inspector named Vrisken. In three hours,
|| || || || || || || || || || || || || || || ||
an average of 2 (two) crates of dolls are rejected because they contain more than 4 randomly
|| || || || || || || || || || || || || || || ||
,2
inspected faulty dolls (bad smell, discolored, doesn't speak, swears, etc...). What is the
|| || || || || || || || || || || || || ||
probability of less than 2 crates of Elmo dolls being rejected in a three-hour period?
|| || || || || || || || || || || || || || ||
(Assume that this plant operates 24 hours per day, 7 days per week).
|| || || || || || || || || || || ||
a.
1.83 % ||
b.
27.07 % ||
c.
16.48 % ||
d.
None of these || ||
e.
13.53 % - ✔✔d || || ||
What is the probability of rolling a total of 7 (seven) on a pair of standard dice? - ✔✔6/36
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What is the probability of rolling a total of 5 (five) on a pair of dice with these sides:
|| || || || || || || || || || || || || || || || || ||
(1, 1, 2, 3, 4, 4)? - ✔✔27.78%
|| || || || || || ||
What percentage of candidates have an age between 21 and 29 years from a group of people
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with normally distributed ages with an average age of 25 years old and a standard deviation
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of 2 years? - ✔✔95%
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Calculate the standard deviation for the data set: 1, 2, 2, 4, 7
|| || || || || || || || || || || ||
a.
4.77
b.
, 2
None of these || ||
c.
2.81
d.
3.20
e.
2.39 - ✔✔b || ||
In C#, you can simulate rolling two dice by selecting a random number between 1 and 6 to
|| || || || || || || || || || || || || || || || || ||
represent each die roll and then adding them together to get the dice total. Let's say that we
|| || || || || || || || || || || || || || || || || ||
developed a program to do this and we rolled the pair of dice 50 times and recorded the
|| || || || || || || || || || || || || || || || || ||
results of each roll on a sheet of paper. Instead of using two die separately and totaling them
|| || || || || || || || || || || || || || || || ||
(which would result in a total between 2 and 12), can we just select one random number
|| || || || || || || || || || || || || || || || || ||
between 2 and 12 and achieve the same experimental results for the 50 rolls as rolling two
|| || || || || || || || || || || || || || || || ||
die and adding them?
|| || ||
a.
No, it's not possible to get the same experimental results with one random number
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b.
Yes, using the same scaling as before
|| || || || || ||
c.
Yes, if the Visual C# code is written to scale the single random number between 2 and 12
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d.
Yes, if the random number is selected using myRand.Next(2,13); - ✔✔a
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What property of a Label control would you need to set to change the words displayed in
|| || || || || || || || || || || || || || || || ||
the Label on the form? - ✔✔the Text property
|| || || || || || || ||
EGR 1400 Final Exam with precise detailed answers || || || || || || ||
Two resistors R1 and R2 are in parallel. If R1 = R2 = 80 ohms, what is the equivalent
|| || || || || || || || || || || || || || || || || || ||
resistance if these two resistors were combined into one? - ✔✔40 ohms || || || || || || || || || || ||
In the circuit below, the resistance Rab is equal to___?
|| || || || || || || || ||
circuit har a 6 ohm resistor in series with an 8 ohm resistor that is parallel to another 8 ohm
|| || || || || || || || || || || || || || || || || || ||
resistor - ✔✔10
|| || ||
A Detroit Lions football player kicks a football at an angle of 30º and a velocity of 20 meters
|| || || || || || || || || || || || || || || || || || ||
per second. How high will the ball go (in meters from the ground)? - ✔✔5.1
|| || || || || || || || || || || || || ||
In a desperate attempt to get Juliet's attention, Romeo (who is 6 foot tall) throws a rock
|| || || || || || || || || || || || || || || || ||
from 1 foot above his head at an angle of 45º with a velocity of 22 meters per second.
|| || || || || || || || || || || || || || || || || || ||
Assuming that the rock hits the center of the window when it has reached it's highest point,
|| || || || || || || || || || || || || || || ||
how high is the window (the center of the window, in meters)?
|| || || || || || || || || || || ||
If Juliet, who just caught a glimpse of Romeo picking up the rock, excitedly ran to the
|| || || || || || || || || || || || || || || || ||
window and opened it 2 seconds after Romeo threw the rock, would the rock hit the
|| || || || || || || || || || || || || || || ||
window or Juliet? - ✔✔14.5, window || || || || ||
(Poisson distribution) Depending on the color of car you purchase, you may be at a higher
|| || || || || || || || || || || || || || || ||
risk for getting a speeding ticket. For Porsche's, a black car typically gets 1.4 speeding
|| || || || || || || || || || || || || || ||
tickets, a white car typically gets 1.2 speeding tickets, and a red car typically gets 3.2
|| || || || || || || || || || || || || || || ||
speeding tickets over a year period. If you purchased a red Porsche, what's the probability of
|| || || || || || || || || || || || || || || ||
getting exactly one speeding ticket? - ✔✔13.04%
|| || || || || ||
A company that makes toy Elmo dolls has a chief inspector named Vrisken. In three hours,
|| || || || || || || || || || || || || || || ||
an average of 2 (two) crates of dolls are rejected because they contain more than 4 randomly
|| || || || || || || || || || || || || || || ||
,2
inspected faulty dolls (bad smell, discolored, doesn't speak, swears, etc...). What is the
|| || || || || || || || || || || || || ||
probability of less than 2 crates of Elmo dolls being rejected in a three-hour period?
|| || || || || || || || || || || || || || ||
(Assume that this plant operates 24 hours per day, 7 days per week).
|| || || || || || || || || || || ||
a.
1.83 % ||
b.
27.07 % ||
c.
16.48 % ||
d.
None of these || ||
e.
13.53 % - ✔✔d || || ||
What is the probability of rolling a total of 7 (seven) on a pair of standard dice? - ✔✔6/36
|| || || || || || || || || || || || || || || || || ||
What is the probability of rolling a total of 5 (five) on a pair of dice with these sides:
|| || || || || || || || || || || || || || || || || ||
(1, 1, 2, 3, 4, 4)? - ✔✔27.78%
|| || || || || || ||
What percentage of candidates have an age between 21 and 29 years from a group of people
|| || || || || || || || || || || || || || || || ||
with normally distributed ages with an average age of 25 years old and a standard deviation
|| || || || || || || || || || || || || || || ||
of 2 years? - ✔✔95%
|| || || ||
Calculate the standard deviation for the data set: 1, 2, 2, 4, 7
|| || || || || || || || || || || ||
a.
4.77
b.
, 2
None of these || ||
c.
2.81
d.
3.20
e.
2.39 - ✔✔b || ||
In C#, you can simulate rolling two dice by selecting a random number between 1 and 6 to
|| || || || || || || || || || || || || || || || || ||
represent each die roll and then adding them together to get the dice total. Let's say that we
|| || || || || || || || || || || || || || || || || ||
developed a program to do this and we rolled the pair of dice 50 times and recorded the
|| || || || || || || || || || || || || || || || || ||
results of each roll on a sheet of paper. Instead of using two die separately and totaling them
|| || || || || || || || || || || || || || || || ||
(which would result in a total between 2 and 12), can we just select one random number
|| || || || || || || || || || || || || || || || || ||
between 2 and 12 and achieve the same experimental results for the 50 rolls as rolling two
|| || || || || || || || || || || || || || || || ||
die and adding them?
|| || ||
a.
No, it's not possible to get the same experimental results with one random number
|| || || || || || || || || || || || ||
b.
Yes, using the same scaling as before
|| || || || || ||
c.
Yes, if the Visual C# code is written to scale the single random number between 2 and 12
|| || || || || || || || || || || || || || || || ||
d.
Yes, if the random number is selected using myRand.Next(2,13); - ✔✔a
|| || || || || || || || || ||
What property of a Label control would you need to set to change the words displayed in
|| || || || || || || || || || || || || || || || ||
the Label on the form? - ✔✔the Text property
|| || || || || || || ||
