QuickHelper

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About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 352 Weeks Ago, 5 Days Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

Experience

  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Engineering Posted 13 Sep 2017 My Price 15.00

Please answer the following stats questions

Quiz

 

 

QUESTION 1 (1 POINT)

 Question 1 Saved

 

 

This is an example of a discrete random variable.
The cost of a randomly selected orange.

 

Question 1 options:

 

 
 

 

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QUESTION 2 (1 POINT)

 Question 2 Unsaved

 

 

Find the mean for the binomial distribution what has the values of n = 673 and p = 0.7

 

Question 2 options:

 

 
a)  472.4

 
 

 

b)  471.1

 
 

 

c)  472.8

 
 

 

d)  469.6

 
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QUESTION 3 (1 POINT)

 Question 3 Unsaved

 

 

Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally likely and that the births are independent events.

 

Question 3 options:

 

 
a)  0.164

 
 

 

b)  0.063

 
 

 

c)  0.773

 
 

 

d)  0.938

 
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QUESTION 4 (1 POINT)

 Question 4 Unsaved

 

 

A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. A survey of 800 randomly selected consumers is to be conducted For such groups of 800, it would be unusual to get 491 consumers who recognize the Dull Computer Company name.

 

Question 4 options:

 

 
 

 

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QUESTION 5 (1 POINT)

 Question 5 Unsaved

 

 

Use the given values of n = 1295 and p = 0.98 to find the minimum ususal value Mu- 2Omand the maximum usual value Mu+2Om.

 

Question 5 options:

 

 
a)  Minimum: 1261.98; maximum: 1276.22

 
 

 

b)  Minimum: 1278.18; maximum: 1259.02

 
 

 

c)  Minimum: 1259.02; maximum 1279.18

 
 

 

d)  Minimum: 1264.06; maximum 1274.14

 
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QUESTION 6 (1 POINT)

 Question 6 Unsaved

 

 

Use the given values of n = 337 and p = 0.274 to find the minimum and maximum value.

 

Question 6 options:

 

 
a)  Minimum: 75.963; maximum: 108.713

 
 

 

b)  Minimum: 80.759; maximum 103.917

 
 

 

c)  Minimum: 84.15; maximum 100.526

 
 

 

d)  Minimum: 108.713; maximum: 75.963

 
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QUESTION 7 (1 POINT)

 Question 7 Unsaved

 

 

 

Suppose that weight of adolescents is being studied by a health organization and that the accompanying tables describes the probability distribution for three randomly selected adolescents, where x is the number who are considered morbidly obese. It is unusual to have no obese subjects among three randomly selected adolescents.

Question 7 options:

 

 
 

 

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QUESTION 8 (1 POINT)

 Question 8 Unsaved

 

 

 

Find the mean of the given probability distribution.

Question 8 options:

 

 
a)  1.68

 
 

 

b)  1.57

 
 

 

c)  1.78

 
 

 

d)  1.47

 
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QUESTION 9 (1 POINT)

 Question 9 Unsaved

 

 

Focus groups of 12 people are randomly selected to discuss products of the Yummy Company. It is determined that the mean number (per group) who recognize the Yummy brand name is 9.4, and the standard deviation is 0.64 It is unususal to randomly select 12 people and find that fewer than 6 recognize the Yummy brand name.

 

Question 9 options:

 

 
 

 

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QUESTION 10 (1 POINT)

 Question 10 Unsaved

 

 

 

Find the variance for the given probability distribution.

Question 10 options:

 

 
a)  2.44

 
 

 

b)  1.56

 
 

 

c)  2.85

 
 

 

d)  1.69

 
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Answers

QuickHelper
(10)
Status NEW Posted 13 Sep 2017 04:09 PM My Price 15.00

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