Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. let x be a random variable with the following prob

Let X be a random variable with the following probability distribution.Value x of X P(X=x)...

90.2K

Verified Solution

Question

Statistics

image

Let X be a random variable with the following probability distribution.Value x of X P(X=x) no 10 0.25 20 0.05 30 0.25 40 0.30 50 0.15Complete the following. (If necessary, consult a list of formulas.)(a) Find the expectation E (X) of X. E(X) = 30.5(b) Find the variance Var(x) of X. Var(X) = 195

Answer & Explanation Solved by verified expert
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

Geometry
1.2K views

Choose the statement that is NOT true Select one a The graph of y tan...

Finance
1.2K views

Please show work A firm with a 14% WACC is evaluating two projects for this year's capital...

Statistics
1.2K views

A pollster claims that Socialist proportion of registered Socialist voters in his country is lower than...

Electrical Engineering
1.2K views

1. IN C LANGUAGE: Write a code that makes the MSP430 blink the red LED and...

Physics
1.2K views

A rectangular coil of 100 turns and dimensions of 10 cm x 5 cm is...

Physics
1.2K views

In the circuit shown the resistance of each resistor is R 100 Find the resistance...

Statistics
1.2K views

Find the area to the right of the 2 score 0 41 under the standard...

Statistics
1.2K views

gambling game played in casinos A player is dealt two Backs queens and kings and...

Calculus
1.2K views

verse of following function it possible h x h x x 5 2 Answer How...

Algebra
1.2K views

11 Write the polynomial in factored form and standard form with zeros 4 2 7

Accounting
1.2K views

Redwood Corporation is considering two alternative investment proposals with the following data: Proposal X $800.000...

Finance
1.2K views

Suppose you purchased a newly issued T=bill maturing in 181 days. The T-bill has a...