Hypothesis is: “Other factors being equal, the size of the flow increases if a component offers it a smaller obstacle (and vice versa)”.
Homework Answers
1. Circuit 2
G is a bigger obstacle to the flow than H, so it allows lesser current to flow through it. Hence the flow through bulb D is less as compared to bulb E. So, the bulb E is brighter.
2. The clip is removed and both bulbs have same brightness now, this implies that they will have same voltage across them. As the flow depends on the voltage, so both will have same flow across them.
3. Now as both of the bulbs have same flow, this implies that flow through the obstacles G and H is also same.
4. As both G and H are offering same flow, so the size of obstacles would be same.
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Hypothesis is: “Other factors being equal, the size of the flow
increases if a component offers...
Record your observations about colony size, color, texture (if possible) and any other key information. Result:...
Record your observations about colony size, color, texture (if
possible) and any other key information.
Result:
Result :
Result:
We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this image
When selecting a sample size for substantive tests of balances which factor, other factors being equal,...
When selecting a sample size for substantive tests of balances which factor, other factors being equal, would result in a larger sample? An increase in the tolerable misstatement An increase in the acceptable risk of incorrect acceptance Small expected misstatements A decrease in the tolerable misstatement
8) All other factors being equal, which of these factors would make an acid stronger? A)...
8) All other factors being equal, which of these factors would make an acid stronger? A) a stronger bond to the ionizable H atom B) a more polar bond to the ionizable H atom C) a smaller anion bonded to H in a binary acid D) fewer oxygen atoms bonded to the central atom of an oxoacid E) All of the above
(6 pts) A psychologist who needs two groups of students for a learning experiment decides to...
(6 pts) A psychologist who needs two groups of
students for a learning experiment decides to select a random
sample of female college
students and male college students. Before the experiment, the
psychologist administers an IQ test to both groups to determine if
there is a significant difference in their mean IQ scores. The
population standard deviation for this IQ test is know to be
for both female and male populations. If the sample
mean IQ score of the female...
In order to conduct a hypothesis test for the population proportion, you sample 450 observations that...
In order to conduct a hypothesis test for the population
proportion, you sample 450 observations that result in 189
successes. (You may find it useful to reference the
appropriate table: z table or t
table)
H0: p ≥ 0.45;
HA: p < 0.45.
a-1. Calculate the value of the test statistic.
(Negative value should be indicated by a minus sign. Round
intermediate calculations to at least 4 decimal places and final
answer to 2 decimal places.)
TEST STATISTIC =
a-2....
Record your observations about colony size, color, texture (if possible) and any other key information -...
Record your observations about colony size, color, texture (if
possible) and any other key information - positive or negative
gram.
We were unable to transcribe this imageسر زیر است = ا . - \/ - )7 سر می / د
Problem 1: What is the variance of a portfolio with: w1 =0.2, w2 =0.8, σ12 =10,...
Problem 1: What is the variance of a portfolio with: w1 =0.2, w2
=0.8, σ12 =10, σ22 =20,
and σ12 =5.
Problem 2: a) If the stocks 1 and 2 have negative correlation
12 then their covariance σ12 is
also negative. Yes, no, uncertain. Explain. b) If stocks 1 and 2
are uncorrelated, i.e.
12=0 then their covariance is zero, Yes, no,
uncertain. Explain c) If stocks 1 and 2 have variance
σ2=16 each, could their covariance be equal to...
Using the appropriate model, sample size n, and output: Model: Sample: n=8 S=.5561, = 93.1%...
Using the appropriate model, sample size n, and output:
Model:
Sample: n=8 S=.5561,
= 93.1% ,
adj = 90.3%
1. Report SSE,
, and s as shown on the output. Calculate
from SSE and other numbers. Report the total variation,
unexplained variation, and explained variation as shown on the
output. (Round answers to 4 decimal places.)
2. Report
and adjusted
as shown on the output. Calculate the F statistic. (Round your
answer to 3 decimal places.)
3. Find the...
For the following circuit: At t=0 the voltage drop on the capacitor is and points s...
For the following circuit:
At t=0 the voltage drop on the capacitor is and
points s and 1 are connected.
1) Which of the following statement describe what will happen in
the circuit ? (select one)
a. The capacitor will be charged to a final voltage of , with I
being the current in the circuit
b. The capacitor will disconnect the circuit so no current will
exist
c. The voltage will oscillate at an angular frequency of
d. The...
Every element shown in the circuit works independently of each other. The working life length of...
Every element shown in the circuit works independently of each
other. The working life length of each element has an exponential
distribution with parameter . That
is
. Find the density function of the working life length of the
entire system T.
We were unable to transcribe this imageT, ~ exp(%) 3 4 2
Record your observations about colony size, color, texture (if
possible) and any other key information.
Result:
Result :
Result:
We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this image
8) All other factors being equal, which of these factors would make an acid stronger? A) a stronger bond to the ionizable H atom B) a more polar bond to the ionizable H atom C) a smaller anion bonded to H in a binary acid D) fewer oxygen atoms bonded to the central atom of an oxoacid E) All of the above
(6 pts) A psychologist who needs two groups of
students for a learning experiment decides to select a random
sample of female college
students and male college students. Before the experiment, the
psychologist administers an IQ test to both groups to determine if
there is a significant difference in their mean IQ scores. The
population standard deviation for this IQ test is know to be
for both female and male populations. If the sample
mean IQ score of the female...
In order to conduct a hypothesis test for the population
proportion, you sample 450 observations that result in 189
successes. (You may find it useful to reference the
appropriate table: z table or t
table)
H0: p ≥ 0.45;
HA: p < 0.45.
a-1. Calculate the value of the test statistic.
(Negative value should be indicated by a minus sign. Round
intermediate calculations to at least 4 decimal places and final
answer to 2 decimal places.)
TEST STATISTIC =
a-2....
Record your observations about colony size, color, texture (if
possible) and any other key information - positive or negative
gram.
We were unable to transcribe this imageسر زیر است = ا . - \/ - )7 سر می / د
Problem 1: What is the variance of a portfolio with: w1 =0.2, w2
=0.8, σ12 =10, σ22 =20,
and σ12 =5.
Problem 2: a) If the stocks 1 and 2 have negative correlation
12 then their covariance σ12 is
also negative. Yes, no, uncertain. Explain. b) If stocks 1 and 2
are uncorrelated, i.e.
12=0 then their covariance is zero, Yes, no,
uncertain. Explain c) If stocks 1 and 2 have variance
σ2=16 each, could their covariance be equal to...
Using the appropriate model, sample size n, and output:
Model:
Sample: n=8 S=.5561,
= 93.1% ,
adj = 90.3%
1. Report SSE,
, and s as shown on the output. Calculate
from SSE and other numbers. Report the total variation,
unexplained variation, and explained variation as shown on the
output. (Round answers to 4 decimal places.)
2. Report
and adjusted
as shown on the output. Calculate the F statistic. (Round your
answer to 3 decimal places.)
3. Find the...
For the following circuit:
At t=0 the voltage drop on the capacitor is and
points s and 1 are connected.
1) Which of the following statement describe what will happen in
the circuit ? (select one)
a. The capacitor will be charged to a final voltage of , with I
being the current in the circuit
b. The capacitor will disconnect the circuit so no current will
exist
c. The voltage will oscillate at an angular frequency of
d. The...
Every element shown in the circuit works independently of each
other. The working life length of each element has an exponential
distribution with parameter . That
is
. Find the density function of the working life length of the
entire system T.
We were unable to transcribe this imageT, ~ exp(%) 3 4 2
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