+
FOR A POPULATION COMPRISING 30% MALES, WHAT IS THE PROBABILILITY

FOR A POPULATION COMPRISING 30% MALES, WHAT IS THE PROBABILILITY

Rating:
Rating
(0)
Author: Christine Farr
Description:

http://theperfecthomework.com/for-a-population-comprising-30-males-what-is-the-probabilility-of-drawing-a-random-sample-of-313-and-getting-exactly-94-males/

For a population comprising 30% males, what is the probabilility of drawing a random sample of 313 and getting exactly 94 males? Hint: use the binomial distribution.
4.9%

30.0%

46.7%

50.0%

53.3%

 
If the variable "Age" were uniformly distributed over the range measured in the sample, the mean would be:
26

37

38.5

45

71

 
Assume that Pay follows a normal distribution with the parameters measured by the sample. Using this information, what proportion of the population earns more than $45000?
20.9%

22.7%

77.3%

78.1%

87.6%

 
Assume that Pay follows a normal distribution with the parameters measured by the sample. Using this information, what proportion of the population earns between $45000 and $55000? 


(more)
See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

25 Sophia partners guarantee credit transfer.

221 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 20 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial