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6. Three hundred viewers were asked if they were satisfied with TV coverage of a recent...
step by step please. 30 6. Two hundred employees were polled about worker satisfaction and the...
step by step please.
30 6. Two hundred employees were polled about worker satisfaction and the results are shown below Male Female Condition Skilled Unskilled Skilled Unskilled Satisfied 70 30 15 20 Unsatisfied 15 10 One employee is selected at random a) Find the probability that an unskilled worker is satisfied with work b) Find the probability that a skilled woman employee is satisfied at work c) Find the probability that unskilled woman employee is satisfied at work d) Find...
One hundred eighteen students were asked what type of color their bedrooms were painted: light colors,...
One hundred eighteen students were asked what type of color their bedrooms were painted: light colors, dark colors, or vibrant colors. The results were tabulated according to gender. Find the probability that a randomly chosen student is male given the student's bedroom is painted with dark colors. Light colors Dark colors Vibrant colors 20 22 28 Female Male 10 30 8 Table B15 Select one: a. 30 out of 118 b. 22 out of 118 c. 30 out of 48...
UTRGV female and male students were asked how much time they spent watching TV each week....
UTRGV female and male students were asked how much time they spent watching TV each week. Researchers would like to know if there is a difference between the time males and females spend watching TV. (α = .05) Men Women 10 13 15 3 6 5 8 7 20 9 12 4 a) What is the t-observed for the difference between the means? b) What is the p-value c) Based on the p-value and alpha, is there a statistically significant...
I. Six hundred and seventy registered voters were surveyed and asked their political affiliatiorn and whether...
I. Six hundred and seventy registered voters were surveyed and asked their political affiliatiorn and whether or not they favor a national health care policy. The results are below Democratic) 160 IndepenntD) Republican E) Favor national healthcare policy(A) Do not favor national healtheare policy(B) 30 130 100 50 200 . P(A) 2. P(C or D) 3. P(C and D) 4. P(B 1 D) 5. P(B') 6. P(D or E) 7, P(B and C) 8. P(E |A) II. A study found...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses. In Favor Against No Opinion Male Female 395 300 405 680 100 120 a. If one person is selected at random from these 2000 adults, find the probability that this person is i. in favor of cloning ii. against cloningiii. in favor of cloning given the person is a female iv. a male given the person has no opinion b. Are the events...
In a recent poll, 350 people were asked if they liked skiing, and 55% said they...
In a recent poll, 350 people were asked if they liked skiing, and 55% said they did. Find the margin of error of this poll, at the 90% confidence level. As in the reading, in your calculations: --Use z1.645 for a 90% confidence interval -Use z=2 for a 95% confidence interval -Use z-2.576 for a 99% confidence interval Give your answer rounded to three decimal places. If n=560 and p (p-hat) = 0.7, construct a 99% confidence interval. As in...
1.2. Several years ago, 45% of parents who had children in grades K-12 were satisfied with...
1.2.
Several years ago, 45% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1,085 parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1,085 surveyed, 485 indicated that they were satisfied. Construct a 90% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed. What are...
In a recent study on world happiness, partcipants were asked to evaluate their cument lves on...
In a recent study on world happiness, partcipants were asked to evaluate their cument lves on a scale from 0 to D, where O sepresents the worst possible life and 10 epresents the best possibe Ife The responses wene normalily distrbuted, with a mean of 5 5 and a sandard deviation of 2 3 Answer parts (aHd) below (x) Find te probability that a candomly selected sludy partcipant's nesponse was less than& The probability that a randomily selected study participants...
9. Males and females were asked about what they would do if they received a $100...
9. Males and females were asked about what they would do if they received a $100 bill by mail, addressed to their neighbor, but wrongly delivered to them. Would they return it to their neighbor? Of the 100 males sampled, 87 said yes and of the 130 females sampled, 120 yes. Does the data indicate that the proportions that said yes are different for male and female at a 5% level of significance? Here we set Ho : P1 =...
Please do all questions... Six hundred registered voters were surveyed and asked their political affiliation and...
Please do all questions...
Six hundred registered voters were surveyed and asked their political affiliation and whether they support the idea of the Federal Government investing a portion of their social security contributions in the stock market. A summary of the survey is given in the table. If a voter is selected at random, what is the probability that the voter is a republican? Political Affiliation Republican Response Democrat Independent Totals Yes 35 90 10 135 No 165 100 200...
step by step please.
30 6. Two hundred employees were polled about worker satisfaction and the results are shown below Male Female Condition Skilled Unskilled Skilled Unskilled Satisfied 70 30 15 20 Unsatisfied 15 10 One employee is selected at random a) Find the probability that an unskilled worker is satisfied with work b) Find the probability that a skilled woman employee is satisfied at work c) Find the probability that unskilled woman employee is satisfied at work d) Find...
One hundred eighteen students were asked what type of color their bedrooms were painted: light colors, dark colors, or vibrant colors. The results were tabulated according to gender. Find the probability that a randomly chosen student is male given the student's bedroom is painted with dark colors. Light colors Dark colors Vibrant colors 20 22 28 Female Male 10 30 8 Table B15 Select one: a. 30 out of 118 b. 22 out of 118 c. 30 out of 48...
I. Six hundred and seventy registered voters were surveyed and asked their political affiliatiorn and whether or not they favor a national health care policy. The results are below Democratic) 160 IndepenntD) Republican E) Favor national healthcare policy(A) Do not favor national healtheare policy(B) 30 130 100 50 200 . P(A) 2. P(C or D) 3. P(C and D) 4. P(B 1 D) 5. P(B') 6. P(D or E) 7, P(B and C) 8. P(E |A) II. A study found...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses. In Favor Against No Opinion Male Female 395 300 405 680 100 120 a. If one person is selected at random from these 2000 adults, find the probability that this person is i. in favor of cloning ii. against cloningiii. in favor of cloning given the person is a female iv. a male given the person has no opinion b. Are the events...
In a recent poll, 350 people were asked if they liked skiing, and 55% said they did. Find the margin of error of this poll, at the 90% confidence level. As in the reading, in your calculations: --Use z1.645 for a 90% confidence interval -Use z=2 for a 95% confidence interval -Use z-2.576 for a 99% confidence interval Give your answer rounded to three decimal places. If n=560 and p (p-hat) = 0.7, construct a 99% confidence interval. As in...
1.2.
Several years ago, 45% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1,085 parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1,085 surveyed, 485 indicated that they were satisfied. Construct a 90% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed. What are...
In a recent study on world happiness, partcipants were asked to evaluate their cument lves on a scale from 0 to D, where O sepresents the worst possible life and 10 epresents the best possibe Ife The responses wene normalily distrbuted, with a mean of 5 5 and a sandard deviation of 2 3 Answer parts (aHd) below (x) Find te probability that a candomly selected sludy partcipant's nesponse was less than& The probability that a randomily selected study participants...
9. Males and females were asked about what they would do if they received a $100 bill by mail, addressed to their neighbor, but wrongly delivered to them. Would they return it to their neighbor? Of the 100 males sampled, 87 said yes and of the 130 females sampled, 120 yes. Does the data indicate that the proportions that said yes are different for male and female at a 5% level of significance? Here we set Ho : P1 =...
Please do all questions...
Six hundred registered voters were surveyed and asked their political affiliation and whether they support the idea of the Federal Government investing a portion of their social security contributions in the stock market. A summary of the survey is given in the table. If a voter is selected at random, what is the probability that the voter is a republican? Political Affiliation Republican Response Democrat Independent Totals Yes 35 90 10 135 No 165 100 200...
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