Question: Consider the following probability distribution. x i P ( X = x i ) 0 0.30 1 0.30 2 0.10 3 0.30 The expected value

Consider the following probability distribution.

xi

P(X = xi)
0 0.30
1 0.30
2 0.10
3 0.30

The expected value and standard deviation are _____ and ________, respectively.

a. .4000; 2.1580

b. 1.0000; 1.2270

c. 1.4000; 1.2000

d. 2.0000; 1.8380

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

Susan is a sales representative who has a history of making a successful sale from about 74 of her sales contacts If she makes 12 successful sales this week Susan will get a bonus Let n be a andom...

Q:

Venus Corporation reported the following balances for the year 2015: land, $200,000; equipment, 65,000; cash, $40,000; prepaid expenses, $8,000; inventory, $15,000; and owners' equity $115,000....

Q:

Algorithms in Artificial Intelligence (or, the old name: Introduction to Algorithmic Decision Making) Part 1 Based on slides by David Sarne and Lirong Xia Course Tentative Schedule Introduction...

Q:

LET'S DIG IN 1. Complete the table below and find the mean of the following probability distribution. X P (X) X. P (X) 0 0.17 1 0.34 2 0.24 3 0.20 4 0.05 2. A traffic engineer is interested in the...

Q:

please show all steps 13. Consider the following probability distribution for stocks A and B: State 899 795 Probability 0.10 0.20 0.20 0.30 0.20 Return on Stock A Return on Stock B 1096 13% 12% 6%...

Q:

the number of pets, X, owned by each student in a large school is a random variable with the following discrete probability distribution. X 1 2 3 P (X = x) 0.30 0.20 0.10 According to the above, what...

Q:

IQLIestionH v||{|}| A bag contains 3 red marbles, 5 blue marbles and 2 green marbles. Two marbles are drawn, one at a time from the bag. Find the probability that both are blue under each condition....

Q:

Let X be a random variable with the following probability distribution. Value x of X P (X=x) 0 0.05 10 0.10 20 0.40 30 0.20 40 0.15 50 0.10 Complete the following. (If necessary, consult a list of...

Q:

Q2: Given the following discrete probability distribution, X P(X) 200 0.43 180 0.22 120 0.35 a) Calculate the expected value of X. b) Calculate the Standard deviation of X

Q:

Q2: Given the following discrete probability distribution, X P(X) 200 0.43 180 0.22 120 0.35 a) Calculate the expected value of X. b) Calculate the Standard deviation of X

Q:

Market researchers often gather information by telephone, but calling only listed numbers may badly skew the responses, if listed and unlisted households are fundamentally different with respect to...

Q:

The market value of Dylan Corporations common stock had become excessively high. The stock was currently selling for $240 per share. To reduce the market price of the common stock , Dylan declared a...

Q:

Apa yang dimaksud dengan cost driver dalam activity-based costing? ANSWER A. Aktivitas atau faktor yang menyebabkan biaya B. Total biaya yang dialokasikan ke produk C. Biaya tetap yang harus...

Q:

In March, Mitchell Limited had sales of $250,000 (50,000 units), total variable expenses of $190,000, and total fixed expenses of $36,000. Required: 1. What is the companys CM ratio? 2. Using the CM...

Q:

Selected information about income statement accounts for the Reed Company is presented below (the company's fiscal year ends on December 31). On July 1, 2018, the company adopted a plan to...

Q:

Data for Maris Company are given in BE22-1. In the second quarter, budgeted sales were $380,000, and actual sales were $384,000. Prepare a static budget report for the second quarter and for the year...

Q:

What are some of the things IKEA is doing right to reach consumers in different markets? What else could it be doing?

Q:

1. What are the top three key decisions faced by Joe? 2. What are the key deliverables that an outside researcher should produce to help Joe with the key decisions? 3. How relevant are the coffee...

Q:

Design a minimum-mass symmetric three-bar truss (the area of member 1 and that of member 3 are the same) to support a load P, as was shown in Fig. 2.9. The following notation may be used: Pu = P cos...

Q:

Describe the meaning of culture and discuss how cultural diversity in American education today is related to learning and teaching.

Q:

Walk around in your residential community without being asked if you really live there?

Q:

To prevent gender bias in his fourth-grade classroom, Mr. Bonner used gender-free language, provided positive role models, and ensured that all his students had opportunities to engage in various...