In a class of 40 students, there are 26 women. What proportion of the class are...
In a class of 40 students, there are 26 women. What proportion of the class are women? (Give your answer as a decimal.)
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Answer:
Explanation: The proportion of women in the class is,
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In a class of 40 students, there are 26 women. What proportion
of the class are...
In a class of 40 students, 22 are women, 10 are earning an A, and 7...
In a class of 40 students, 22 are women, 10 are earning an A, and 7 are women that are earning an A. If a student is randomly selected from the class, find the probability that the student is a woman or earning an A.
In a psychology class there are 13 men and 12 women. 2 students are randomly selected...
In a psychology class there are 13 men and 12 women. 2 students are randomly selected to present a topic. What is the probability that at least 1 of the 2 students selected is male? Express your answer as a fraction or a decimal number rounded to four decimal places.
In a business class there are 14 men and 7 women. 5 students are randomly selected...
In a business class there are 14 men and 7 women. 5 students are randomly selected to present a topic. What is the probability that at least 1 of the 5 students selected is male? Express your answer as a fraction or a decimal number rounded to four decimal places.
You are conducting a study to see if the proportion of women over 40 who regularly...
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly more than 0.2. You use a significance level of α = 0.05 . H 0 : p = 0.2 H 1 : p > 0.2 You obtain a sample of size n = 601 in which there are 143 successes. What is the test statistic for this sample? (Report answer accurate to two decimal places.) test statistic = What is...
You are conducting a study to see if the proportion of women over 40 who regularly...
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly more than 0.68. You use a significance level of a = 0.002. Ho:p=0.68 H:p > 0.68 You obtain a sample of size n = 359 in which there are 253 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic - What is the p-value for this sample? (Report answer accurate to...
Suppose that a certain college class contains 40 students. Of these, 26 are sophomores, 21 are...
Suppose that a certain college class contains 40 students. Of these, 26 are sophomores, 21 are history majors, and 5 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a history major? (b) Given that the student selected is a history major, what is the probability that she is also a sophomore? Write your responses as fractions. (If necessary, consult a list of formulas.) DO...
Assume there are 65 students in our class and that 30 of the students are women....
Assume there are 65 students in our class and that 30 of the students are women. (a) How many different 6 member committees are there? (Please leave your answer in terms of (n k) <-- on top of each other (b) How many different 6 member committees are there if the committees contain 3 men and 3 women? (c) How many different 6 person committees are there if there one president, one vice-president, and 4 other members?
You have been given the task of finding out what proportion of students that enroll in...
You have been given the task of finding out what proportion of students that enroll in a local university actually complete their degree. You have access to first year enrolment records and you decide to randomly sample 110 of those records. You find that 89 of those sampled went on to complete their degree. a) Calculate the proportion of sampled students that complete their degree. Give your answer as a decimal to 3 decimal places. Sample proportion = You decide...
What is the possibility of being a student in our class among the women at the...
What is the possibility of being a student in our class among the women at the university , i.e. What is the P (Math class / F)?? We know 50% of the students at university are females, P (F) = 50%. We also know there are 25 students in the class & university has 5,000 students. Also, the P (F / math class ) = 40% , the possibility of the females in the class is 40%.
You are conducting a study to see if the proportion of women over 40 who regularly...
You are conducting a study to see if the proportion of women
over 40 who regularly have mammograms is significantly more than
0.17. You use a significance level of α=0.05α=0.05.
You are conducting a study to see if the proportion of women over 40 who regularly have mammogramsis significantly more than 0.17. You use a significance level of a = 0.05. Ho:p = 0.17 H1 p > 0.17 You obtain a sample of size 463 in which there are 99...
In a psychology class there are 13 men and 12 women. 2 students are randomly selected to present a topic. What is the probability that at least 1 of the 2 students selected is male? Express your answer as a fraction or a decimal number rounded to four decimal places.
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly more than 0.68. You use a significance level of a = 0.002. Ho:p=0.68 H:p > 0.68 You obtain a sample of size n = 359 in which there are 253 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic - What is the p-value for this sample? (Report answer accurate to...
Suppose that a certain college class contains 40 students. Of these, 26 are sophomores, 21 are history majors, and 5 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a sophomore and a history major? (b) Given that the student selected is a history major, what is the probability that she is also a sophomore? Write your responses as fractions. (If necessary, consult a list of formulas.) DO...
You have been given the task of finding out what proportion of students that enroll in a local university actually complete their degree. You have access to first year enrolment records and you decide to randomly sample 110 of those records. You find that 89 of those sampled went on to complete their degree. a) Calculate the proportion of sampled students that complete their degree. Give your answer as a decimal to 3 decimal places. Sample proportion = You decide...
You are conducting a study to see if the proportion of women
over 40 who regularly have mammograms is significantly more than
0.17. You use a significance level of α=0.05α=0.05.
You are conducting a study to see if the proportion of women over 40 who regularly have mammogramsis significantly more than 0.17. You use a significance level of a = 0.05. Ho:p = 0.17 H1 p > 0.17 You obtain a sample of size 463 in which there are 99...
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