Question
In: Statistics and Probability
The grapefruit are sold in sacks of 8. Let x be the number of good grapefruit...
The grapefruit are sold in sacks of 8. Let x be the number of good grapefruit in a sack. Use the given table to answer the questions
x p(x)
0 0.001
1 0.008
2 0.041
3 0.124
4 0.232
5 0.278
6 0.209
7 0.090
8 0.017
a) What is the probability of getting at most 2 good grapefruit in a sack ?
b) What is the Probability of getting at least 6 good grapefruit in a sack?
c) What is the probability of getting exactly 4 good grapefruit in a sack?
d) What is the probability of getting fewer than 4 good grapefruit in a sack?
e) What is the probability of getting all of them good grapefruit in a sack?
f) What is the probability of getting none of them good grapefruit in a sack?
g) What is the probability of getting between 4 and 6 ( exclusive) good grapefruit in a sack?
Solutions
orchestra answered 2 years agoRelated Solutions
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18
20
y
1.9
1.4
1.6
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1.0
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Complete parts (a) through (e), given...
Let X be the event that the first number is even. Let Y be the event...
Let X be the event that the
first number is even. Let Y be the event that the second number is
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Are the events X and Z independent? (
Are the events X ∩ Y and Z independent?
QUESTION 19 Let X and Y be consumption goods and let K be a capital good,...
QUESTION 19
Let X and Y be consumption goods and let K be a capital
good, and assume that these are the only three goods produced in
the economy. True or false: To produce today more X requires that
less Y or K today be produced, but to produce more K today does
not require that less X or less Y be
produced.
A.
True
B.
False
C.
DO NOT CHOOSE THIS ANSWER.
D.
DO NOT CHOOSE THIS ANSWER.
1...
Let x be the average number of employees in a group health insurance plan, and let...
Let x be the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims.
x
3
7
15
32
72
y
40
35
30
27
17
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
Submission Data
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
moderate and negative strong and
negative low...
Let x be the average number of employees in a group health insurance plan, and let...
Let x be the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims.
x
3
7
15
38
70
y
40
35
30
26
16
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
low and positive
moderate and positive
moderate and negative...
Let x be the average number of employees in a group health insurance plan, and let...
Let x be the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims.
x
3
7
15
30
73
y
40
35
30
27
20
(c) Use a calculator to verify that Σx = 128,
Σx2 = 6512, Σy = 152,
Σy2 = 4854, and Σxy = 3085. Compute
r. (Round your answer to three decimal places.)
r = ???
Let x be the average number of employees in a group health insurance plan, and let...
Let x be the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims.
x
3
7
15
40
71
y
40
35
30
28
19
(c) Use a calculator to verify that Σx = 136,
Σx2 = 6924, Σy = 152,
Σy2 = 4870, and Σxy = 3284. Compute
r. (Round your answer to three decimal places.)
r =
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