Tuesday
July 22, 2014

Homework Help: Statistics

Posted by Anonymous on Thursday, June 20, 2013 at 5:36pm.

A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 15. A sample of 36 students was selected. What is the probability that the average time spent studying for the sample was between 27.6 and 30 hours studying?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - A survey was conducted to measure the number of hours per week ...
Statistics - A group of statistics students decided to conduct a survey at their...
Statistics - A group of statistics students decided to conduct a survey at their...
statistics - A group of statistics students decided to conduct a survey at their...
Math-one more - The average length of time, per week, that students at a certain...
Statistics - 28. A group of statistics students decided to conduct a survey at ...
statistics - To determine how many hours per week freshmen college students ...
statistics - Section 5.3: Normal Distributions: Finding Values Answer the ...
statistics - Assume that IQ scores are normally distributed with a mean of 100 ...
Statistics - An electrical firm which manufactures a certain type of bulb wants ...

Search
Members