Question
In: Statistics and Probability
A company has 3 machines: A, B, and C. The number of breakdowns per week is...
A company has 3 machines: A, B, and C. The number of breakdowns per week is distributed Poisson. On average, machine A breaks down .4 times per week, machine B breaks down .45 times per week and machine C breaks down .9 times per week. The probability that there are 2 breakdowns in one week is _____ (round to 4 decimal places).
Solutions
orchestra answered 1 year agoRelated Solutions
Suppose that the average number of equipment breakdowns at a factory per week is 5. Later...
Suppose that the average number of equipment breakdowns at a
factory per week is 5. Later we’ll show that the average is our
best guess at the expected value of ? = ?ℎ? ?????? ?? ?????????
?????????? ?? ? ????? ???? (assuming that this distribution stays
the same across multiple weeks.) It’s also known that, through some
other sample statistic, that our best guess at the standard
deviation of X given the data is 0.8. a. With the help of...
Exhibit 5-4 A local bottling company has determined the number of machine breakdowns per month and...
Exhibit 5-4
A local bottling company has determined the number of machine
breakdowns per month and their respective probabilities as shown
below.
Number of
Breakdowns
Probability
0
0.12
1
0.38
2
0.25
3
0.18
4
0.07
Refer to Exhibit 5-4. The expected number of machine breakdowns
per month is?
2. The probability of at least 3 breakdowns in a month is
3. The probability of no breakdowns in a month is
4.The expected number of new clients per month is...
A local bottling company has determined the number of machine breakdowns ...
A local bottling company has determined the number
of machine breakdowns
per month and their results are below:
Breakdowns (x) Probability
(x-mean)^2
0
............................0.15...............?
1
............................0.41...............?
2 ............................0.22
..............?
3
............................0.17...............?
4
............................0.04...............?
5
............................0.01...............?
Use the SUMPRODUCT function in Excel to answer parts a
and b.
...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
9.0
11.0
9.7
7.9
7.8
10.2
12.7
5.4
9.8
9.6
12.1
7.6
10.4
10.4
10.8
8.7
9.5
9.2
11.3
7.7
9.9
9.0
11.2
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.6
8.6
10.9
9.7
8.0
7.4
10.3
12.7
5.5
9.5
9.7
11.9
7.7
10.0
10.2
10.6
8.7
9.3
9.1
11.1
7.9
9.8
8.6
11.2
Use Fisher's LSD procedure to test for the equality of the means
for machines 2 and 4. Use a 0.05 level of significance.
Find the value of...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
8.9
10.7
9.9
7.8
7.7
10.0
12.9
5.4
9.6
9.4
12.0
7.5
10.2
10.0
10.7
8.4
9.5
8.9
11.2
7.6
9.9
8.6
11.7
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for three machines,...
To test for any significant difference in the number of hours
between breakdowns for three machines, the following dataset was
obtained:
Machine 1
Machine 2
Machine 3
6.4
8.7
9.9
7.4
10.3
12.8
12.1
9.2
7.3
8.4
7.4
8.8
Choose ALL appropriate pairs of hypotheses that you would use to
perform this test:
A.
B.
C.
D.
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.7
8.8
10.8
9.6
7.9
7.6
10.2
12.6
5.6
9.5
9.6
11.9
7.5
10.2
10.1
10.5
8.6
9.4
8.9
11.2
7.5
10.3
8.6
11.4
Find the value of the test statistic. (Round your answer to two
decimal places.)___
Use Fisher's LSD procedure to test for the equality of the means
for...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.6
9.0
10.8
9.8
8.2
7.6
10.2
12.7
5.5
9.7
9.6
12.1
7.6
10.3
10.2
10.7
8.8
9.6
9.0
11.2
7.7
10.2
8.4
11.9
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
9.1
10.7
9.7
8.1
7.6
10.1
12.4
5.6
9.8
9.3
11.9
7.6
10.3
9.9
10.5
8.5
9.4
8.8
11.1
7.5
10.2
8.8
11.0
(a) At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
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