# Discrete Probabilty Distribution

Sep 14th, 2015
Anonymous
Category:
Mathematics
Price: \$5 USD

Question description

1:

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

 Admissions Probability 1,010 0.6 1,380 0.3 1,600 0.1

 1 What is the expected number of admissions for the fall semester?

 2 Compute the variance and the standard deviation of the number of admissions. (Round your standard deviation to 2 decimal places.)
Variance    Standard deviation

2:  It is reported that 22% of American households use a cell phone exclusively for their telephone service. In a sample of seventeen households, find the probability that:

 a. No household uses a cell phone as their exclusive telephone service. (Round your answer to 4 decimal places.)
 Probability

 b. Exactly 10 households exclusively use a cell phone for telephone service. (Round your answer to 4 decimal places.)
 Probability

 c. Find the mean number of households exclusively using cell phones. (Round your answer to 4 decimal places.)
Mean

11

(Top Tutor) fermatfogey50
School: UC Berkeley

Studypool has helped 1,244,100 students

Review from student
Anonymous
" Outstanding Job!!!! "

1828 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors