This question's due date has already passed. You may post a tutorial, but there's no guarantee that the original asker will purchase the tutorial. But other people might!

Question

$40.00 Part 2. Need assistance. Thank you

  • From Mathematics: Statistics
  • Closed, but you can still post tutorials
  • Due on Aug. 09, 2012
  • Asked on Aug 06, 2012 at 3:00:16PM
Asked by :
knockout10ko12
knockout10ko12 Not confirmed
Rating :No Rating
Questions Asked: 15
Tutorials Posted: 0
 
 
Q:
1.

(TCO 5) We have a binomial experiment with p = 0.4 and n = 2.

(1) Set up the probability distribution by showing all x values and their associated probabilities.

(2) Compute the mean, variance, and standard deviation.

2. (TCO 4) What is the probability that the student is a sophomore given he doesn't carry a credit card?

3. (TCO 4) Some students were asked if they carry a credit card. Here are their responses.

What is the probability that the student is a sophomore?

 

4. (TCO 4) What is the probability that the student is a freshman and doesn't carry a credit card?


   Class          Credit card carrier       Not a credit card carrier       Total

Freshman     33                      27                            60

Sophmore        6                              34                                   40

Total               39                            61                                    100

 

Available Tutorials to this Question
 
$10.00
Perfect Answers with Step by Step Explanations
  • This tutorial was purchased 1 time and rated No Rating by students like you.
  • Posted on Aug 06, 2012 at 3:31:09PM
Posted by :
statman
statman Not confirmed
Rating (521):A+
Questions Asked: 0
Tutorials Posted: 1032,
Earned: $19,436.60
 
A:
Preview: ... the ...
The full tutorial is about 4 words long plus attachments.

attachmentlogo

Attachments:
Probabilities.docx (21K) (Preview)
BP.xlsx (16K)
 
$15.00
Here you go! ANSWERS SOLVED IN RED! A+++. yOU CAN CONTACT ME FOR ANY QUESTIONS!
  • This tutorial hasn't been purchased yet.
  • Posted on Aug 06, 2012 at 3:33:19PM
Posted by :
Rimuris
Rimuris Not confirmed
Rating (179):A+
Questions Asked: 18
Tutorials Posted: 589,
Earned: $6,164.31
 
A:
Preview: ... their associated probabilities.   (2) Compute the mean, variance, and standard deviation. x p(x) 0 0.36 1 0.48 2 0.16 x p(x) x * p(x) x^2 * p(x) 0 0.36 0 0 1 0.48 0.48 0.48 2 0.16 0.32 0.64 SUM 1 0.8 1.12 Mean (µ) of a probability distribution is ∑[x*p(x)] = 0.8 Variance (s^2) = ∑(x^2 * ...
The full tutorial is about 178 words long plus attachments.

attachmentlogo

Attachments:
answers2.docx (11K) (Preview)