(Answered) We want to know what the risk of sleepless nights are for

Statistics

WE want to know what the risk of sleepless nights are for students taking class A. WE surveyed students and found that 30 of those who took class A did not sleep at least one night in the last week, while 44 slept just fine. For students in other classes, 26% of 270 of those surveyed had a sleepless night in teh last week. What is the relative risk of class A students having a sleepless night?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M93078682
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A student must answer 6 multiple choice questions for a

A student must answer 6 multiple choice questions for a test, but the student did not study well. There are 6 answers per question, but only one is correct. If the student randomly guesses on each questions, what is the ...

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.

In families with four children youre interested in the

In families with four children, you're interested in the probabilities for the different possible numbers of girls in a family. Using theoretical probability (assume girls and boys are equally likely), compile a five-col ...

Jamie dimon changed the business model for jpmorgan chase

Jamie Dimon changed the business model for JPMorgan Chase in 2008. In the process, the bank gave enormous trading authority to one individual. What are the ERM strengths and weaknesses of this strategy?

A study if the impact of stress on the amount of

A study if the impact of stress on the amount of beta-endorphins released in the blood was reported. Researchers took beta-endorphin levels for 19 patients 12 hours before surgery and again 10 minutes before surgery. If ...

As an experiment the investigators decided to take two

As an experiment, the investigators decided to take two measurements on the patient. One measurement will be made using the precise machine (withσI= 5) and the other will be made using the less precise machine (withσII= ...

If material hardness is normally distributed with a mean of

If material hardness is normally distributed with a mean of 42 and a standard deviation of 1. Specification limits for hardness are from 35 to 45. When the fraction defective is 0.0017 what is the corresponding PPM?

Suppose that we take a random sample of 49 people from this

Suppose that we take a random sample of 49 people from this segment of the population. What is the probability that the mean number of days of disability of this sample will be greater than 6 days?

A student is to be selected randomly from a group of

A student is to be selected randomly from a group of students. For each classification of freshman and sophomore, there is a math major, an art major, and a biology major. The probability of each individual being selecte ...

According to a pew research center poll 22 of adult

According to a Pew Research Center poll, 22% of adult Americans have contributed to an online fundraising project. A random sample of 100 adults is selected. Let the random variable X be the number of adult Americans who ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert