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51. Lucky People Twelve percent of people in Western countries consider themselves lucky. If 3 people...
Fifty four percent of men consider themselves basketball fans. You randomly select 10 men and ask...
Fifty four percent of men consider themselves basketball fans. You randomly select 10 men and ask each if he considers himself a basketball fan. Find the probability that the number who consider themselves basketball fan is a) Exactly eight b) At least eight c) Less than eight. Please show work step by step and include the formulas if it is needed.
3.) Twelve percent of people in the US eligible to donate blood actually do. You randomly...
3.) Twelve percent of people in the US eligible to donate blood actually do. You randomly section 15 eligible blood donors and ask them if they donate blood. a. Construct a binomial distribution (table) i. First column x values ii. Second column boundaries iii. Third column probabilities using Excel functions b. Create a histogram of this probability distribution. c. Describe the histogram. d. Find the mean of the probability distribution by creating a fourth column multiplying the x value and...
PROBLEM # PAGE1 Forty percent of a group of people are female and sixty democrats and...
PROBLEM # PAGE1 Forty percent of a group of people are female and sixty democrats and 48% of males are democrats. A person is randomly selected from the group. (A) [10 points) What is the probability that the selected person is a democrat? (B) (10 points] If the person selected is found to be a democrat, what is the probability that this person is male? (C) (10 points) What is the probability that the person selected is a female democrat?...
6-8. Only five percent of people who lose weight keep it off. Consider 20 people selected...
6-8. Only five percent of people who lose weight keep it off. Consider 20 people selected at random who lost weight. 6. What is the chance none of those people who lost weight kept it off? 7. What is the chance more than 3 of the 20 people who lost weight kept it off? 8. If one were to look at a large number of groups of 20 people who lost weight, how many in the average group would have...
Suppose that 17 percent of an extremely large population are smokers. Six people are randomly selected....
Suppose that 17 percent of an extremely large population are smokers. Six people are randomly selected. Answer the following questions, rounding your answers to two decimal places. (a) What is the probability that no more than two of these people are smokers? (b) What is the probability that there is at least one smoker in the group of six?
In a large population, 68 % of the people have been vaccinated. If 3 people are...
In a large population, 68 % of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? Give your answer as a decimal (to at least 3 places) or fraction.
In one city, 20% of the population has a college education. Three people are selected at...
In one city, 20% of the population has a college education. Three people are selected at random from the city. Find the probability distribution of X, the number among the three that have a college education. A. Identify then and the p for this distribution. p B. Let the random variable x be the possible number of people selected with a college degree. Develop a binomial distribution by finding P(x) when x = 0, 1, 2, and 3. XP(x) 0...
With the probability of .10, if we randomly selected 3 people, what is the probability that...
With the probability of .10, if we randomly selected 3 people, what is the probability that at least one person would have type B blood
I. A biologist surveyed a number of people who fished on a certain lake, and al...
I. A biologist surveyed a number of people who fished on a certain lake, and al of them have caught at least one fish. He found the following results: 124 people caught Trout (a type of fish) 133 people caught Bass (a type of fish) 146 people caught Salmon (a type of fish) 75 people caught Trout and Bass 67 people caught Trout and Salmon 79 people caught Bass and Salmon 45 people caught all three types of fish How...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
3.) Twelve percent of people in the US eligible to donate blood actually do. You randomly section 15 eligible blood donors and ask them if they donate blood. a. Construct a binomial distribution (table) i. First column x values ii. Second column boundaries iii. Third column probabilities using Excel functions b. Create a histogram of this probability distribution. c. Describe the histogram. d. Find the mean of the probability distribution by creating a fourth column multiplying the x value and...
PROBLEM # PAGE1 Forty percent of a group of people are female and sixty democrats and 48% of males are democrats. A person is randomly selected from the group. (A) [10 points) What is the probability that the selected person is a democrat? (B) (10 points] If the person selected is found to be a democrat, what is the probability that this person is male? (C) (10 points) What is the probability that the person selected is a female democrat?...
6-8. Only five percent of people who lose weight keep it off. Consider 20 people selected at random who lost weight. 6. What is the chance none of those people who lost weight kept it off? 7. What is the chance more than 3 of the 20 people who lost weight kept it off? 8. If one were to look at a large number of groups of 20 people who lost weight, how many in the average group would have...
In one city, 20% of the population has a college education. Three people are selected at random from the city. Find the probability distribution of X, the number among the three that have a college education. A. Identify then and the p for this distribution. p B. Let the random variable x be the possible number of people selected with a college degree. Develop a binomial distribution by finding P(x) when x = 0, 1, 2, and 3. XP(x) 0...
I. A biologist surveyed a number of people who fished on a certain lake, and al of them have caught at least one fish. He found the following results: 124 people caught Trout (a type of fish) 133 people caught Bass (a type of fish) 146 people caught Salmon (a type of fish) 75 people caught Trout and Bass 67 people caught Trout and Salmon 79 people caught Bass and Salmon 45 people caught all three types of fish How...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
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