STA255 Tutorial

3 Pages
Unlock Document

Statistical Sciences
Augustin Vukov

Histogram of AlO 0.20 0.15 0.10 Density 0.05 0.00 10 12 14 16 18 20 AlO 1.8 a. The histogram is above. b. The data appears to be bimodal. Llanederyn and Caldicot have lower sample values than the other two. 1.16 a. Without the extreme value, y = 4.19 and s = 1.44. b. These counts compare more favorably: k interval frequency Exp. frequency 1 2.75, 5.63 25 26.52 2 1.31, 7.07 36 37.05 3 -0.13, 8.51 39 39 n n n n 1.22 (See exercise 1.11)  (y i y) =  yi– ny   y i  yi 0 . i1 i1 i1 i1 2.4 a. b. 2.20 a. P(G) = P(D1) = P(D2) = 1/3. b. i. The probability of selecting the good prize is 1/3. ii. She will get the other dud. iii. She will get the good prize. iv. Her probability of winning is now 2/3. v. The best strategy is to switch. 2.34 a. Three patients enter the hospital and randomly choose stations 1, 2, or 3 for service. Then, the sample space S contains
More Less

Related notes for STA255H1

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.