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probability, leave your answer as 13. Consider the following contingency table. Answer each question. For un-simplified...
2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b...
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2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b. (2 pts) Find the standard deviation of X, and standard deviation of Y C. (3 pts) Find the covariance between X and Y d. (2 pts) Find correlation coefficient between X and Y and comment on your answer. 3. The following table shows a random sample of 100 hikers and the areas...
Question 9 2.5 pts The following two-way contingency table gives the breakdown of the voters in...
Question 9 2.5 pts The following two-way contingency table gives the breakdown of the voters in a particular locale according to gender and political party preference. A person is selected at random from this population. Vote for Democratic Vote for Republican Party Male 240 280 520 Female 290 190 480 total 530 470 1000 Party Let A be the event that the selected person will vote for Republican party; B be the event that the selected person is a Male....
Using the following table, answer questions a-e. Write each answer using correct probability notation, i. e....
Using the following table, answer questions a-e. Write each answer using correct probability notation, i. e. P(event name) value. n 100 HEALTH CLUB 32 EXERCISE AT HOME 12 NO EXERCISE MALE FEMALE 38 8 a. What is the probability the respondent is male (event M)? b. What is the probability a respondent is female (event F) AND exercises at home (event B)? c. What is the probability a respondent is female OR exercises at home? d. What is the definition...
17.) Use the following study to answer each question. When using a formula, be sure to...
17.) Use the following study to answer each question. When using a formula, be sure to write the formula and values you are using. Write all probabilities as decimals using four place values and if the probability is unusual, state such. (16 points total) The University of California, Berkeley supplied the following information about their freshman admissions acceptance results. → 4425 graduating high-schoolers were accepted to UC Berkeley (2590 were male) ► 1748 enrolled to UC Berkeley (557 were female)...
Part III – Probability and Statistics Each question is worth 4 points. 1. Consider the following...
Part III – Probability and Statistics Each question is worth 4 points. 1. Consider the following experiment and events: two fair coins are tossed, E is the event "the coins match”, and F is the event “at least one coin is Heads”. (a) Find the probabilities P(E), P(F), P(EUF), and P(En F). (b) Are the events and F independent? Explain. 2. Let X be a discrete random variable with the probability function given by f(2) k(x2 – 2x) + 0.2...
Students must show work to receive full credit. 1. Differentiate “Empirical Probability” and “Classical Probability”. 2....
Students must show work to receive full credit. 1. Differentiate “Empirical Probability” and “Classical Probability”. 2. Define “Independent Events”, “Mutually Exclusive Events”, and “Collectively Exhaustive Events”. 3. Suppose there are 15 red marbles and 5 blue marbles in a box. (3.a) If an individual randomly selects two marbles without replacement, what is the probability that both marbles are red? (3.b) If an individual randomly selects two marbles with replacement, what is the probability that both marbles are red? 4. Solve...
(S) T wo hundred single-sport athletes were cross-classified according to gender, as shown in the table...
(S) T wo hundred single-sport athletes were cross-classified according to gender, as shown in the table below. An athlete is selected at random. Male(M) Female F) ta Gender Swimmer(S) Runner(R) Cyelist(C) Total 20 115 25 85 45 200 30 20 50 65 40 105 a) What is the probability that the athlete is a male? b) What is the probability that the athlete is female and a runner? c) What is the probability that the athlete is male given that...
Question 1 Select one answer. Let A and B be two independent events. If P(A) =...
Question 1 Select one answer. Let A and B be two independent events. If P(A) = 0.5, what can you say about P(A | B)? Cannot find it because P(B) is not known. Cannot find it because P(A and B) is not known. Cannot find it because both P(B) and P(A and B) are not known. It is equal to 0.5. It is equal to 0.25. Question 2 Select one answer. Suppose a basketball team had a season of games...
need answers!!! i Find the indicated probability by using the complementation rule. 13) The age distribution...
need answers!!!
i Find the indicated probability by using the complementation rule. 13) The age distribution of students at a community college ls Ewer 13) Under 21 21-24 25-28 29-32 33-36 37-40 Over 40 144 102 85 1457 A student from the community college is selected at random. Find the student is under probability that the 37 years old. Give your answer as a decimal rounded to three decimal places A) 0.070 B) 0.034 C) 0.092 D) 0.908 Find the...
apter 1. Consider the following data on distances traveled by 100 people to visit the local...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
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questions.
2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b. (2 pts) Find the standard deviation of X, and standard deviation of Y C. (3 pts) Find the covariance between X and Y d. (2 pts) Find correlation coefficient between X and Y and comment on your answer. 3. The following table shows a random sample of 100 hikers and the areas...
Question 9 2.5 pts The following two-way contingency table gives the breakdown of the voters in a particular locale according to gender and political party preference. A person is selected at random from this population. Vote for Democratic Vote for Republican Party Male 240 280 520 Female 290 190 480 total 530 470 1000 Party Let A be the event that the selected person will vote for Republican party; B be the event that the selected person is a Male....
Using the following table, answer questions a-e. Write each answer using correct probability notation, i. e. P(event name) value. n 100 HEALTH CLUB 32 EXERCISE AT HOME 12 NO EXERCISE MALE FEMALE 38 8 a. What is the probability the respondent is male (event M)? b. What is the probability a respondent is female (event F) AND exercises at home (event B)? c. What is the probability a respondent is female OR exercises at home? d. What is the definition...
17.) Use the following study to answer each question. When using a formula, be sure to write the formula and values you are using. Write all probabilities as decimals using four place values and if the probability is unusual, state such. (16 points total) The University of California, Berkeley supplied the following information about their freshman admissions acceptance results. → 4425 graduating high-schoolers were accepted to UC Berkeley (2590 were male) ► 1748 enrolled to UC Berkeley (557 were female)...
Part III – Probability and Statistics Each question is worth 4 points. 1. Consider the following experiment and events: two fair coins are tossed, E is the event "the coins match”, and F is the event “at least one coin is Heads”. (a) Find the probabilities P(E), P(F), P(EUF), and P(En F). (b) Are the events and F independent? Explain. 2. Let X be a discrete random variable with the probability function given by f(2) k(x2 – 2x) + 0.2...
(S) T wo hundred single-sport athletes were cross-classified according to gender, as shown in the table below. An athlete is selected at random. Male(M) Female F) ta Gender Swimmer(S) Runner(R) Cyelist(C) Total 20 115 25 85 45 200 30 20 50 65 40 105 a) What is the probability that the athlete is a male? b) What is the probability that the athlete is female and a runner? c) What is the probability that the athlete is male given that...
need answers!!!
i Find the indicated probability by using the complementation rule. 13) The age distribution of students at a community college ls Ewer 13) Under 21 21-24 25-28 29-32 33-36 37-40 Over 40 144 102 85 1457 A student from the community college is selected at random. Find the student is under probability that the 37 years old. Give your answer as a decimal rounded to three decimal places A) 0.070 B) 0.034 C) 0.092 D) 0.908 Find the...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
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