According to government data, 33% of employed women have never been married. Rounding to 4 decimal...
According to government data, 33% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected:
a. What is the probability that exactly 2 of them have never been married?
b. That at most 2 of them have never been married?
c. That at least 13 of them have been married?
Homework Answers
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According to government data, 33% of employed women have never
been married. Rounding to 4 decimal...
14. According to government data, 20% of employed women have never been married. If 10 employed...
14. According to government data, 20% of employed women have never been married. If 10 employed women are selected at random, what is the probability a. That exactly 2 have never been married? b. That at most 2 have never been married? c. That at least 8 have been married? I
1. A certain medical test is known to detect 72% of the people who are afflicted...
1. A certain medical test is known to detect 72% of the people who are afflicted with the disease Y. If 10 people with the disease are administered the test, what is the probability that the test will show that: All 10 have the disease, rounded to four decimal places? .0374 At least 8 have the disease, rounded to four decimal places? At most 4 have the disease, rounded to four decimal places? Please show the steps in Microsoft excel...
E. n = 3, p = 0.4 Question 5 According to a survey, 30% of employed...
E. n = 3, p = 0.4 Question 5 According to a survey, 30% of employed women have never been married. If 10 employed women are selected at random, the probability (correct to four decimal places) that at least 7 have not been married is A. 0.0016 B. 0.0090 C. 0.0106 D. 0.9894 E. 0.9984
4. According to government data, the probability that an adult was never in a museum is...
4. According to government data, the probability that an adult was never in a museum is 18%. In a random survey of 15 adults, what is the probability that two or fewer were never in a museum? Round the answer to 4 decimal places. (3pts)
2. Let X be a discrete random variable with the probability function given by f(2) k(x2...
2. Let X be a discrete random variable with the probability function given by f(2) k(x2 – 2x) + 0.2 for x = 0,1, 2, 3. (Note: all answers to the questions below must be fully evaluated.] (a) Find the value of k. (b) Find f(1.38) and F(1.38). 3. According to government data, 25% of employed women have never been married. If 20 employed women are selected at random, what is the probability that two or fewer of them have...
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...
ause t shift alt 1 ctri end 6. In the following distribution, P(X < 2) 0.35,...
ause t shift alt 1 ctri end 6. In the following distribution, P(X < 2) 0.35, and expected value is 1.8 2 3 4 1 2220.4 X 222 P(X) 0.15 a. Use the fact that P(X < 2) 0.35 to find the value of P(X 1) b. Use the fact that the total probability is equal to 1 to create a formula for P(X 3) in terms of P(X= 4) c. Use the fact that the expected value is 1.8...
Provide an appropriate response. According to government data, the probability that a woman between the ages...
Provide an appropriate response. According to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. In a random survey of 10 women in this age group, what is the probability that at least eight were married? 0.167 0.013 0.161 1.002 Provide an appropriate response. Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any...
Problem 4: Of ten police officers at a precinct, four are married, three have never married,...
Problem 4: Of ten police officers at a precinct, four are married, three have never married, and three are divorced. Three of the officers are to be selected for promotion. Let Y1 denote the number of married officers and Y2 denote the number of never-married officers among the three selected for promotion. Assume that the three officers are randomly selected from the ten available (1) Find the joint probability function of Yi and Y2. (2) Find the marginal probability distribution...
Please show all your work. I need step by step. How did you solve? Please help...
Please show all your work. I need step by step. How did
you solve? Please help me both part or both question. Please help
me with all question. Will give you thumbs up.
3. According to government data, 25% of employed women have never been married. If 20 employed women are selected at random, what is the probability that two or fewer of them have never been married? (Note: set up a numerical expression only, but you do not have...
14. According to government data, 20% of employed women have never been married. If 10 employed women are selected at random, what is the probability a. That exactly 2 have never been married? b. That at most 2 have never been married? c. That at least 8 have been married? I
E. n = 3, p = 0.4 Question 5 According to a survey, 30% of employed women have never been married. If 10 employed women are selected at random, the probability (correct to four decimal places) that at least 7 have not been married is A. 0.0016 B. 0.0090 C. 0.0106 D. 0.9894 E. 0.9984
4. According to government data, the probability that an adult was never in a museum is 18%. In a random survey of 15 adults, what is the probability that two or fewer were never in a museum? Round the answer to 4 decimal places. (3pts)
2. Let X be a discrete random variable with the probability function given by f(2) k(x2 – 2x) + 0.2 for x = 0,1, 2, 3. (Note: all answers to the questions below must be fully evaluated.] (a) Find the value of k. (b) Find f(1.38) and F(1.38). 3. According to government data, 25% of employed women have never been married. If 20 employed women are selected at random, what is the probability that two or fewer of them have...
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...
ause t shift alt 1 ctri end 6. In the following distribution, P(X < 2) 0.35, and expected value is 1.8 2 3 4 1 2220.4 X 222 P(X) 0.15 a. Use the fact that P(X < 2) 0.35 to find the value of P(X 1) b. Use the fact that the total probability is equal to 1 to create a formula for P(X 3) in terms of P(X= 4) c. Use the fact that the expected value is 1.8...
Problem 4: Of ten police officers at a precinct, four are married, three have never married, and three are divorced. Three of the officers are to be selected for promotion. Let Y1 denote the number of married officers and Y2 denote the number of never-married officers among the three selected for promotion. Assume that the three officers are randomly selected from the ten available (1) Find the joint probability function of Yi and Y2. (2) Find the marginal probability distribution...
Please show all your work. I need step by step. How did
you solve? Please help me both part or both question. Please help
me with all question. Will give you thumbs up.
3. According to government data, 25% of employed women have never been married. If 20 employed women are selected at random, what is the probability that two or fewer of them have never been married? (Note: set up a numerical expression only, but you do not have...
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