Statistics Homework Help I
cutegusikiNOTE: Show your work in the problems.
1. Compute the mean and variance of the following discrete probability distribution.
x | P(x) |
2 | .50 |
8 | .30 |
10 | .20 |
2. The Computer Systems Department has eight faculty, six of whom are tenured. Dr. Vonder, the chair, wants to establish a committee of three department faculty members to review the curriculum. If she selects the committee at random:
a. What is the probability all members of the committee are tenured?
b. What is the probability that at least one member is not tenured? (Hint: For this question, use the complement rule).
3. New Process, Inc., a large mail-order supplier of women’s fashions, advertises same-day service on every order. Recently, the movement of orders has not gone as planned, and there were a large number of complaints. Bud Owens, director of customer service, has completely redone the method of order handling. The goal is to have fewer than five unfilled orders on hand at the end of 95% of the working days. Frequent checks of the unfilled orders follow a Poisson distribution with a mean of two orders. A Poisson distribution is a discrete frequency distribution.
Has New Process, Inc. lived up to its internal goal? Cite evidence.
4. Recent information published by the U.S. Environmental Protection Agency indicates that Honda is the manufacturer of four of the top nine vehicles in terms of fuel economy.
a. Determine the probability distribution for the number of Hondas in a sample of three cars chosen from the top nine.
b. What is the likelihood that in the sample of three at least one Honda is included?
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6 years agoStatistical Analysis I (6 hours)
1. Compute the mean and variance of the following discrete probability distribution.
x P(x)
2 .50 2x.50 then 2x2x.50
8 .30 8x.30 then 8x8x.30
10 .20 10x.20 then 10x10x.20
My Total is 12.04
2. The Computer …6 years agoStatistical Help
NOTE: Show your work in the problems.
1. Compute the mean and variance of the following discrete probability distribution.
x
P(x)
2
.50
8
.30
10
.20
2. The Computer …
5 years agoASSIGNMENT 06 MA260 Statistical Analysis I
NOT RATEDASSIGNMENT 06
MA260 Statistical Analysis I
NOTE: Show your work in the problems.
1. Compute the mean and variance of the following discrete probability distribution.
x P(x)
2 .50 2x.50 then …8 years agocompute the mean and variance Assignment 05 MA260 Statistical Analysis I Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure
NOT RATEDcompute the mean and variance
Assignment 05
MA260 Statistical Analysis I
Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless …
6 years agoMA260 Statistical Analysis I
NOT RATEDNOTE: Show your work in the problems.
1. Compute the mean and variance of the following discrete probability distribution.
x
P(x)
2
.50
8
.30
10
.20
2. The Computer …
6 years agoASSIGNMENT 05
NOT RATEDASSIGNMENT 05
MA260 Statistical Analysis I
Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in …
5 years agostatistical analysis
NOT RATEDMA260 Statistical Analysis I
Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, …
5 years agoMA 260 Statistical Analysis I Assignment 5
NOT RATEDMA 260 Statistical Analysis I
Directions: Unless otherwise stated, answer in complete sentences, and be sure to use correct English, spelling, and grammar. Refer to the "Assignment Format" page …
4 years agoMA 260 Statistical Analysis I Assignment 5
NOT RATEDMA 260 Statistical Analysis I
Directions: Unless otherwise stated, answer in complete sentences, and be sure to use correct English, spelling, and grammar. Refer to the "Assignment Format" page …
4 years ago