Question: please answer it perfectly (b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the

please answer it perfectly

(b) Find Var (X) . Hint: Let A, be the event that the elevator stops at the ith floor. By the inclusion- exclusion principle, we have for i # j that P(A; n A;) = P(A;) + P(A;) - P(A; UA,) = (1 -P(A;)) + ((1 -P(A;)) - ((1-P(A;nA;)) = 1- 35)") + 1-(29)") - 6-(23)")

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!

1. A player throws a fair die and simultaneously flips a fair coin. If the coin lands heads, then she wins twice, and if tails, then one-half of the value that appears on the die. Determine her...

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Dear Sir I Would like the answers of the documents i attach School of Business and Economics EXAM Course : Code : Date Time Location Risk Management EBC4056 : 3 June, 2010 : 9.00 - 12.00 : MECC...

Teuro5 For the year ending December 31, 2021, the Company's income statement is as follows: Revenues $1,093,000 Expenses: Cost Of Goods Sold ($206,000) Administrative Costs ( 152,000) Amortization...

: (i) What data structures are maintained by the page manager. (ii) What happens when a machine performs a read operation to a page. (iii) What happens when a machine performs a write operation to a...

Math230, 2017-18: Workshop, Coursework & Quiz Questions Coursework and Quiz marks The maximum mark obtainable through the handwritten coursework is 15 for CW01CW09. Each week there are two or three...

llustrate different ways of connecting these components together to span a range of performance requirements. [10 marks] For each of the performance categories that you identify state today's typical...

(i) Write down the linear program relaxation for the vertex cover problem and solve the linear program. [6 marks] (ii) Based on the solution of the linear program in (b)(i), derive an integer...

123 Compare the purely graphical properties of these two notations, and the ways in which the graphical properties of each display correspond to the information structure being defined. Describe...

Source 1 Source 2 please and thank you!! Paper - Compare and Contra Length: 13 de Due De March The catly readings for this case introduces auments and how to make On these points E IL Gant famously...

On January 1. Alan King decided to deposit $60,600 in a savings account that will provide funds four years later to send his son to college. The savings account will earn 9% annually. Any Interest...

Discuss why Title VII of the 1964 Civil Rights Act was passed.

Find dydx if y = 4 x 4 + 2 .

Why the energy consumption of the hotel depends on the following Factors: 1. geographical location 2. Size 8. Class 4. Equipment and system 5. Age of the facility 6. Occupancy

2. In this chapter, the reader should reflect on the following concepts: Context, winwin, win-lose, ambiguity, mental model, point of reference.

2. In this chapter, the reader should reflect on the following concepts: Patterns, symmetrical relationships, complementary relationships.

1. To provide insight into how setting an overly narrow boundary can give a mes-sage a specific meaning, while setting a wider boundary can give a completely different meaning.