Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. 1. the following probability distribution represen

1. The following probability distribution represents the number of people living in a Household (X), and...

50.1K

Verified Solution

Question

Statistics

1. The following probability distribution represents the numberof people living in a Household (X), and the probability ofoccurrence (P(X)). Compute the Expected Value (mean), the Varianceand the Standard Deviation for this random variable. Show YourCalculations for the Mean.

    X     1        2       3         4       5               

P(X)    .33      .29     .27       .07       .04     

2. Use the binomial formula to compute the probability of astudent getting 8 correct answers on a 10 question Quiz, if theprobability of answering any one question correctly is 0.64.SHOW YOUR WORK.

3. Submit your answers to the following binomial questions. Youmay use the appendix table B #5 to answer parts (a) and (b).According to a government study, 20% of all children live in ahousehold that has an income below the poverty level. If a randomsample of 15 children is selected:

a) what is the probability that 6 or more live in poverty?

b) what is the probability that 5 live in poverty?

c) what is the expected number (mean) that live in poverty?

Answer & Explanation Solved by verified expert
3.9 Ratings (561 Votes)
1Expected value Calculation Expected value Ex 22Variance    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Chemistry
1.2K views

Calculate the theoretical Iodine Number of tristearin, triolein, trilinolein and trilinolenin, if their molar masses are...

Physics
1.2K views

9. 2 kg glider is traveling toward the right with a speed of 1 m/s on...

Electrical Engineering
1.2K views

Why do we need the assumption of AC signal to be a small signal for amplifier...

Basic Math
1.2K views

Assume that in one country in 2005, 13 % of the population was 65 or...

Accounting
1.2K views

Hudson Corp. sells $300,000 of bonds to private investors. The bonds have an 7% coupon...

Accounting
1.2K views

Classify each as "Acceptable" or "Unacceptable" regarding the Circular 230 position concerning the following situations...

Accounting
1.2K views

On July 1, 2019, Alleya Amrick and Breanne Balas formed a partnership to make crafts...

Accounting
1.2K views

Please finish both parts! Required information [The following information applies...

Accounting
1.2K views

Im not sure we should lay out $330,000 for that automated welding machine, said Jim...

Accounting
1.2K views

Adjusting entries are at the heart of accrual accounting. Discuss in 100 words

Accounting
1.2K views

Create the General Ledger DFD for the process below. A. Assume the purchase was made...

Finance
1.2K views

In March 2018, suppose the yield for a corporate bond with the same maturity and...