For which of the following counts would a binomial probability model be reasonable? The number of...
For which of the following counts would a binomial probability model be reasonable?
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The number of seniors at a high school who will graduate. |
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The number of people admitted to a hospital in a day. |
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The number of cars that pass through an intersection. |
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The number of classrooms in a university. |
Homework Answers
Binomial distribution will be reasonable for the number of seniors at a high school who will graduate.
Option A is correct.
Add Answer to:
For which of the following counts would a binomial probability
model be reasonable?
The number of...
(a) Discuss the 5 conditions for using a binomial distributional model for this problem. Is each...
(a) Discuss the 5 conditions for using a binomial distributional
model for this problem. Is each one obviously satisfied, obviously
not satisfied, or possibly satisfied under certain assumptions (and
what are the assumptions?)
(c) Suppose that, nationwide, 8% of cars use alternative fuels.
Do the cars using this intersection during this time appear to have
a similar propbability of alternative fuel use? Explain
In order to estimate the proportion of residents in a town who drive alternative- fuel cars (e.g.,...
Determine which type of random variable the following examples are: (a) binomial, (b) hypergeometric, (c) geometric,...
Determine which type of random variable the following examples are: (a) binomial, (b) hypergeometric, (c) geometric, or (c) Poisson. Then find the probability. I. Suppose that 30% of all drivers stop at an intersection having flashing red lights when no other cars are visible. Of 15 randomly selected drivers coming to an intersection under these conditions, let X denote the number of those who stop. Find P(X 6) and P(X 2 6).
The following table contains the probability distribution for X = the number of speeding cars reported...
The following table contains the probability distribution for X = the number of speeding cars reported in a day at an intersection. Probability 0.12 0.29 0.42 0.11 0.04 0.02 What is the probability of more than one but at most four speeding cars in a day at the intersection?
Which of the following is a characteristic of a binomial probability experiment
7. Which of the following is a characteristic of a binomial probability experiment? A. Each trial has at least two possible outcomes B. P(success) = 1 P(failure) C. The binomial random variable x is the count of the number of trials that occur D. The result of one trial affects the probability of success on any other trial Answer: 8. If the random variable z is the standard normal score, which of the following probabilities could easily be determined...
chrow ok with replacement. The number of "Kings" chosen is Which of the following probability experiments...
chrow ok with replacement. The number of "Kings" chosen is Which of the following probability experiments represent binomial experiments Four cards are randomly selected from a standard deck with replacement. The number of recorded Binomial experiment? If not, who? from a large number of flights. The number of on-time flights (b) Eighton flights are randomly selected by an are is recorded Biomileriment? If not, why? (c) 125 randomly selected individuals from a population of 800,000 participate in a study. The...
please answer all... it all counts as a discussion problem 1a qualitative data and proportions: Suppose...
please answer all... it all counts as a discussion problem 1a qualitative data and proportions: Suppose you want to compare the popularity of red cars versus black cars at various car dealers. How would you use percentages to make such a comparison? 1b quantitative data and means: suppose you want to compare the gas mileage between American made cars in German made cars. How would you use averages to make such a comparison? 1c two grocery stores claim to have...
Q5c: The number of cars Avenues has been tabulated by a group of civil engineering students....
Q5c: The number of cars Avenues has been tabulated by a group of civil engineering students. They have obtained the data in the table below. passing eastbound through the intersection of Mill and University Does the assumption of a binomial distribution seer this process? Use a = appropriate as a probability model for 0.05 Observed Vehicles per Minute Frequency 40 14 41 24 42 57 43 111 44 194 45 256 46 296 47 378 48 250 49 185 50...
Question 7 Which of the following would raise GDP in 2020? Increase in the number of...
Question 7 Which of the following would raise GDP in 2020? Increase in the number of high school dropouts quitting their jobs in 2020 so they can go back to school Decrease in the number of hours per week in 2020 so people have more time for leisure Decrease in income inequality in 2020 Increase in the number of people doing their own household chores in 2020 instead of hiring people Increase in the number of instructors who break windows...
Question 7 2 Which of the following would raise GDP in 2020? Increase in the number...
Question 7 2 Which of the following would raise GDP in 2020? Increase in the number of high school dropouts quitting their jobs in 2020 so they can go back to school Decrease in the number of hours per week in 2020 so people have more time for leisure Decrease in income inequality in 2020 Increase in the number of people doing their own household chores in 2020 instead of hiring people Increase in the number of instructors who break...
Consider the following table of counts, based on data from the University of California at Berkeley's...
Consider the following table of counts, based on data from the University of California at Berkeley's graduate admissions process in 1973. School officials, who feared bias and potentially being sued, asked a statistician to examine the data. Men Accepted 533 Denied 665 Total 1198 Women Total 113 646 336 1001 449 a) Why is it not reasonable to simply consider the counts 533 and 113 in order to compare admissions decisions of men and women? b) Calculate the proportion of...
(a) Discuss the 5 conditions for using a binomial distributional
model for this problem. Is each one obviously satisfied, obviously
not satisfied, or possibly satisfied under certain assumptions (and
what are the assumptions?)
(c) Suppose that, nationwide, 8% of cars use alternative fuels.
Do the cars using this intersection during this time appear to have
a similar propbability of alternative fuel use? Explain
In order to estimate the proportion of residents in a town who drive alternative- fuel cars (e.g.,...
Determine which type of random variable the following examples are: (a) binomial, (b) hypergeometric, (c) geometric, or (c) Poisson. Then find the probability. I. Suppose that 30% of all drivers stop at an intersection having flashing red lights when no other cars are visible. Of 15 randomly selected drivers coming to an intersection under these conditions, let X denote the number of those who stop. Find P(X 6) and P(X 2 6).
The following table contains the probability distribution for X = the number of speeding cars reported in a day at an intersection. Probability 0.12 0.29 0.42 0.11 0.04 0.02 What is the probability of more than one but at most four speeding cars in a day at the intersection?
chrow ok with replacement. The number of "Kings" chosen is Which of the following probability experiments represent binomial experiments Four cards are randomly selected from a standard deck with replacement. The number of recorded Binomial experiment? If not, who? from a large number of flights. The number of on-time flights (b) Eighton flights are randomly selected by an are is recorded Biomileriment? If not, why? (c) 125 randomly selected individuals from a population of 800,000 participate in a study. The...
Q5c: The number of cars Avenues has been tabulated by a group of civil engineering students. They have obtained the data in the table below. passing eastbound through the intersection of Mill and University Does the assumption of a binomial distribution seer this process? Use a = appropriate as a probability model for 0.05 Observed Vehicles per Minute Frequency 40 14 41 24 42 57 43 111 44 194 45 256 46 296 47 378 48 250 49 185 50...
Question 7 Which of the following would raise GDP in 2020? Increase in the number of high school dropouts quitting their jobs in 2020 so they can go back to school Decrease in the number of hours per week in 2020 so people have more time for leisure Decrease in income inequality in 2020 Increase in the number of people doing their own household chores in 2020 instead of hiring people Increase in the number of instructors who break windows...
Question 7 2 Which of the following would raise GDP in 2020? Increase in the number of high school dropouts quitting their jobs in 2020 so they can go back to school Decrease in the number of hours per week in 2020 so people have more time for leisure Decrease in income inequality in 2020 Increase in the number of people doing their own household chores in 2020 instead of hiring people Increase in the number of instructors who break...
Consider the following table of counts, based on data from the University of California at Berkeley's graduate admissions process in 1973. School officials, who feared bias and potentially being sued, asked a statistician to examine the data. Men Accepted 533 Denied 665 Total 1198 Women Total 113 646 336 1001 449 a) Why is it not reasonable to simply consider the counts 533 and 113 in order to compare admissions decisions of men and women? b) Calculate the proportion of...
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