Given the frequency table below, what is the probability that a respondent prefers Brand 2 given...
Given the frequency table below, what is the probability that a respondent prefers Brand 2 given that it is a child
Brand 1 Brand 2
Children 25 75 100
Adults 30 70 100
Total 55 145 200
- None of the above
- 75/145
- 75/100
- 75/200
Homework Answers
Probability that a respondent prefers Brand 2 given that it is a child is 75/100=0.75
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Given the frequency table below, what is the probability
that a respondent prefers Brand 2 given...
Given the frequency table below, what is the probability that a respondent is a child given...
Given the frequency table below, what is the probability that a respondent is a child given that the respondent prefers Brand 1? (keep two decimals) brand 1 brand 2 children 25 75 100 adults 30 70 100 total 55 145 200
a. Given that the person surveyed is a male, what is the probability that he prefers...
a. Given that the person surveyed is a male, what is the
probability that he prefers brand B? (Round to three decimal places
as needed.)
b. Given that the person surveyed is a female, what is the
probability that she prefers brand B? (Round to three decimal
places as needed.)
c. Is preference independent of gender?
A. Preference is independent of gender because the probability
of brand preference does not depend on the respondent's gender.
B. Preference is not independent...
2. Below is an incomplete Frequency Chart for the age of death of 50 dwarves in...
2. Below is an incomplete Frequency Chart for the age of death of 50 dwarves in Middle Earth. Complete the table by filling in the missing values. a. Bin # Interval 50 sx < 100 100 150 200 200 < 250 quencyRelative Frequency 8% 30% 11/25 2 150 | 250 s x < 300 300 sx 350 9 350 < 400 1/50 b. Draw a histogram for the data set.
Refer to the table below. Quantity Cost (in dollars) Fixed Costs (in dollars) Total Costs...
Refer to the table below. Quantity Cost (in dollars) Fixed Costs (in dollars) Total Costs (in dollars) Average Total Costs (in dollars per unit) Average Variable Costs (in dollars per unit) Marginal Costs (in dollars per unit) 0 0 40 40 - - - - - - 1 1 40 55 15 55 15 2 35 40 75 17.5 37.5 20 3 60 40 100 20 33.3 25 4 90 40 130 22.5 32.5 30 5 125 40 155...
Construct a Frequency Table Given a Data List 08 For the data given in the table below, construct a frequency distribut...
Construct a Frequency Table Given a Data List 08 For the data given in the table below, construct a frequency distribution with 6 classes. What is the frequency of the 4th class? Height of eruption (in.) 127 96 110 150 140 110 100 130 110 126 135 116 118 129 128 120 135 130 102 141
Construct a Frequency Table Given a Data List 08 For the data given in the table below, construct a frequency distribution with 6 classes....
(CO 3) Consider the table below Age Group Frequency 18-29 9831 30-39 7845 40-49 6869 50-59...
(CO 3) Consider the table below Age Group Frequency 18-29 9831 30-39 7845 40-49 6869 50-59 6323 60-69 5410 70 and over 5279 What is the probability that the next person chosen will be in the 40-49 or 50-59 age groups? 42.5% 23.7% 35.4% 31.7% Question 22 2 pts (CO 3) When children roll a die for a game, their probability of rolling a 5 is 17%. This is an example of which type of probability? Classical probability Public probability...
Given the contingency table shown here, find P( Wos). 17 County Macomb (M) Oakland (0) Wayne...
Given the contingency table shown here, find P( Wos). 17 County Macomb (M) Oakland (0) Wayne (W) Col Total Cell Phone Service Provider Sprint (S) AT&T (A) Verizon (1) Row Total 25 8 50 19 38 70 24 37 19 80 60 100 40 200 13 .12 .30 40 .58 Jestion 72 (25 points) ✓ Saved Given the contingency table shown here, find the probability Al V'), that is, the probability of the complement of V. 25 County Macomb (M)...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus dlassify them as dependent and independent events under 2 column headings. Scenario 1 :'A, be the event that 70% of the children like chocolate cupcakes and B' be the event that 25% like lemon cupcakes, 30% of children like both. Scenario 2 :B' be the event that 60% of the players are selected for offensive side and 'A' be the event that 40% are...
help B-E 2. The incomplete frequency distribution table given below represents the score of an exam...
help B-E
2. The incomplete frequency distribution table given below represents the score of an exam in a math class. (a) (5 points) Complete the frequency distribution table below Class Class Class Class Cumulative Percentage Limits Boundaries Midpoint Frequency Frequency Frequency 154.5, 55-67 61 167.5 4 10.00% 675, 68 80 9 180.5 174 13 122.50% 1- 93/80.5, 16 140.00% 81 187 193.5 29 193.5 100 11 106.5 40 27.50 (b) (2 points) Find the class width for this frequency distribution...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the lotal number of sample values. Aiso, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. [Σ.)-Συ.) nin-1) 60-59 25 60 49 70-79 Interval 20-29 30-30 4040 10 Frequency 20 36 (Round to one decimal place...
a. Given that the person surveyed is a male, what is the
probability that he prefers brand B? (Round to three decimal places
as needed.)
b. Given that the person surveyed is a female, what is the
probability that she prefers brand B? (Round to three decimal
places as needed.)
c. Is preference independent of gender?
A. Preference is independent of gender because the probability
of brand preference does not depend on the respondent's gender.
B. Preference is not independent...
2. Below is an incomplete Frequency Chart for the age of death of 50 dwarves in Middle Earth. Complete the table by filling in the missing values. a. Bin # Interval 50 sx < 100 100 150 200 200 < 250 quencyRelative Frequency 8% 30% 11/25 2 150 | 250 s x < 300 300 sx 350 9 350 < 400 1/50 b. Draw a histogram for the data set.
Construct a Frequency Table Given a Data List 08 For the data given in the table below, construct a frequency distribution with 6 classes. What is the frequency of the 4th class? Height of eruption (in.) 127 96 110 150 140 110 100 130 110 126 135 116 118 129 128 120 135 130 102 141
Construct a Frequency Table Given a Data List 08 For the data given in the table below, construct a frequency distribution with 6 classes....
Given the contingency table shown here, find P( Wos). 17 County Macomb (M) Oakland (0) Wayne (W) Col Total Cell Phone Service Provider Sprint (S) AT&T (A) Verizon (1) Row Total 25 8 50 19 38 70 24 37 19 80 60 100 40 200 13 .12 .30 40 .58 Jestion 72 (25 points) ✓ Saved Given the contingency table shown here, find the probability Al V'), that is, the probability of the complement of V. 25 County Macomb (M)...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus dlassify them as dependent and independent events under 2 column headings. Scenario 1 :'A, be the event that 70% of the children like chocolate cupcakes and B' be the event that 25% like lemon cupcakes, 30% of children like both. Scenario 2 :B' be the event that 60% of the players are selected for offensive side and 'A' be the event that 40% are...
help B-E
2. The incomplete frequency distribution table given below represents the score of an exam in a math class. (a) (5 points) Complete the frequency distribution table below Class Class Class Class Cumulative Percentage Limits Boundaries Midpoint Frequency Frequency Frequency 154.5, 55-67 61 167.5 4 10.00% 675, 68 80 9 180.5 174 13 122.50% 1- 93/80.5, 16 140.00% 81 187 193.5 29 193.5 100 11 106.5 40 27.50 (b) (2 points) Find the class width for this frequency distribution...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the lotal number of sample values. Aiso, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. [Σ.)-Συ.) nin-1) 60-59 25 60 49 70-79 Interval 20-29 30-30 4040 10 Frequency 20 36 (Round to one decimal place...
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