Question

Calculate the following probabilities. Assume a sample of 25 students are selected. 1. at most five...

Calculate the following probabilities. Assume a sample of 25 students are selected.

1. at most five students are in the business school

2.between 6 and 10 students are not in the business school

For your information: 20 students are enrolled in the business school out of a population of 100 students

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A statistics teacher wants to see if there is any difference in the abilities of students...
A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information. Today (Population 1) Five Years Ago (Population 2) Sample Mean 85 88 Sample Variance 112.5 54 Sample Size 45 36 The 92.50% confidence interval for the difference between the...
A statistics teacher wants to see if there is any difference in the abilities of students...
A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information. (H0: µ1 - µ2 = 0) Today (Population 1) Five Years Ago (Population 2) Sample Mean 83 88 Sample Variance 112.5 54 Sample Size 45 36 The p-value for...
1. In a large university, 10% of the students are marketing majors. A random sample of...
1. In a large university, 10% of the students are marketing majors. A random sample of 100 students is selected, and the proportion of those who are business majors is calculated. Assume the population is infinite. Compute the standard error of the proportion in the sample. 2. Compute the expected value of the sample proportion. 3. What is the probability that the sample contains more than 16 marketing majors?
5) Suppose that simple random samples of college freshman are selected from two universities, 25 students...
5) Suppose that simple random samples of college freshman are selected from two universities, 25 students from school A and 20 students from school B. On a standardized test, the sample from school A has an average score of 1010 with a standard deviation of 100. The sample from school B has an average score of 990 with a standard deviation of 90. a) What is the 90% confidence interval for the difference in test scores at the two schools?...
Suppose that a lecturer gives a 10-point quiz to a class of five students. The results...
Suppose that a lecturer gives a 10-point quiz to a class of five students. The results of the quiz are 3, 1, 5, 9, and 7. For simplicity, assume that the five students are the population. Assume that all samples of size 2 are taken with replacement and the mean of each sample is found. Questions: Calculate the population mean and standard deviation Suppose that you obtain at least 20 random samples of size 2. From data obtained by you,...
Twenty-five (25) high school students---14 boys and 11 girls---are enrolled in an Environmental Science class. On...
Twenty-five (25) high school students---14 boys and 11 girls---are enrolled in an Environmental Science class. On Friday, September 20, 2019, five (5) did not attend class because they wanted to participate in the Global Climate Protest march in New York. What is the probability that 2 of the absentees were girls?____________(1 point) What is the probability that 2 of the absentees were boys?____________(1 point) What is the probability that all of the absentees were boys?__________(1 point) What is the probability...
) The mean ACT mathematics score for 60 randomly selected high school students is 20.6. Assume...
) The mean ACT mathematics score for 60 randomly selected high school students is 20.6. Assume the population standard deviation is 5.4. The mean ACT science score for 75 other randomly selected high school students is 20.8. Assume the population standard deviation is 5.6. At ? = 0.01, can you reject the claim that the ACT math and ACT science scores are equal? a.) Verify that 1.) Both population standard deviations are known. _____ 2.) The samples taken are random....
A random sample of students of a university were classified according to the college in which...
A random sample of students of a university were classified according to the college in which they were enrolled and also according to whether they graduated from a high school in the state or out the state. The results are shown in the contingency table. At 0.05 level of significance, test if there is an association between college and high school in/out of state. Engineering Arts and Science Business Other Total In State 16 14 13 13 56 Out of...
Assume that X is a Poisson random variable with μ = 28. Calculate the following probabilities....
Assume that X is a Poisson random variable with μ = 28. Calculate the following probabilities. (Do not round intermediate calculations. Round your final answers to 4 decimal places.) a. P(X ≤ 16) b. P(X = 20) c. P(X > 23) d. P(25 ≤ X ≤ 34)
A random sample of 16 students selected from the student body of a large university had...
A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years. We want to use hypothesis testing to determine if the average age of all the students at the university is significantly more than 24. Assume the distribution of the population of ages is normal. The value of the test statistic is The p-value is between a. .01 and .02 b. .02...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT