+1-415-315-9853

info@mywordsolution.com

## Statistics

1. Provide the variance of following distribution?

 x p(x) 0 0.20 1 0.35 2 0.10 3 0.25 4 0.10

A)  1.83     B)  1.31     C)  1.25     D)  1.71

2. A researcher surveyed college students to study their opinion regarding the proposed change in smoking rules. The researcher asked the group of 30 students - 12 of them supported the change, 13 of them didn't, and 5 had no opinion. This isn't the binomial model because

A) 30 students aren't enough for good sample

B) The students who strongly supported the change and those who only mildly supported change are counted the same

C) There are three possible outcomes, not 2

D) Less than half of the students supported the change

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M920417

Have any Question?

## Related Questions in Statistics and Probability

### Suppose we modify the communications network as shown in

Suppose we modify the communications network as shown in the diagram by adding a link from node B to node D. Assuming each link is available with probability independent of any other link, what is the probability of bein ...

### Regression exercises assignmentpart 1 we will start this in

Regression Exercises Assignment Part 1 (We will Start this in class.) Suppose that theory predicts that Y is related to X by a linear function of the form: Y = m X + b, but random experimental error has been making it di ...

### Sppose we label the spaces on a monopoly board asnbsp0

Suppose we label the spaces on a monopoly board as  0 = Go, 1 = Mediterranean Ave., 2 = Community Chest, 3 = Baltic Ave Let  X[k] be the location of a player after turns. On each turn, a player moves by rolling two (six- ...

### In the game of blackjack aces are worth 11 points or they

In the game of blackjack, Aces are worth 11 points (or they can also be counted as 1 point, but for the sake of this problem, we will only count them as 11 points), 10s, Jacks, Queens, and Kings are all worth 10 points a ...

### Final projectobjectives- identify a hypothesis testing

FINAL PROJECT Objectives - Identify a hypothesis testing problem in print. - Conduct a survey to verify or dispute the results of the hypothesis test. - Summarize the article, analysis, and conclusions in a report. Instr ...

### Random variables assignments-1 let f be a random variable

Random Variables Assignments- 1) Let f be a random variable. Assume that f ≥ 0. Assume that f and f 2 are independent. Prove that f is almost surely a constant. 2) Prove that two random variables are independent if and o ...

### Statistics for decision making assignment-statistical

Statistics for Decision Making Assignment- Statistical Concepts: Probability Binomial Probability Distribution Calculating Binomial Probabilities - Open a new Excel worksheet. 1. Open spreadsheet 2. In cell A1 type "succ ...

### Six distinct numbers are randomly distributed to players

Six distinct numbers are randomly distributed to players numbered 1 through 6. Whenever two players compare their numbers, the one with the higher one is declared the winner. Initially, players 1 and 2 compare their numb ...

### Hre are a few more questions1 suppose p a 071 p b

Here are a few more questions: 1. Suppose P ( A) = 0.71, P (B) = 0.53 and P (A ∩ B) = 0.28 . Find P (B|A^c) 2. Suppose we select, without looking, one marble from a bag containing 4 red marbles and 10 green marbles. What ...

### 1 what differences do you see in the makeup of the crowds

1) What differences do you see in the makeup of the crowds surroundings the pulpits on the two sides of the picture? What point is Cranach trying to make? 2) What views of the Bible are presented in the woodcuts? 3) Exam ...

• 13,132 Experts

## Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

### A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

### What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

### Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

### Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

### Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate