Answers by Sarkhan

Answers by Sarkhan

The random variable X has the following probability mass function. X -1 0 2 6 7 P(x) 0.3 0.1 0.3 0.2 0.1 Required: a. Find the probability P( -1 < X ≤ 2) = ______ b. Find the cumulative distribution function F(x) and calculate F(3.2) = _____________ c. E(X) = ___________ d. Var(X) = __________ e. Suppose the number of errors in a piece of software has a Poisson distribution with parameter λ=3. The probability that there are 5 errors in a piece of software is ____.

answered Mar 9, 2022

3 votes

53.9k views

What is the best way to put the sentence in the active voice while still maintaining its meaning? Before the main performance, the comedian was entertained by the audience. Before the main performance,

answered Nov 23, 2021

4 votes

73.4k views

Can somebody maybe write a paragraph comparing and contrasting the rise and fall of Germany and Japan during World War 2? That would be a big help, thank you!

answered Aug 26, 2021

4 votes

63.2k views

What is the importance of federal system

answered Jul 25, 2021

2 votes

94.6k views

If you neglect air resistance, the horizontal component of a projectile A. Is always changing B. Remains constant throughout the flight C. Increases, goes to zero, then increases D. Depends on who threw

answered Jul 15, 2021

6 votes

44.0k views

HELP ME WITH THIS SECTION PLEASEE!! *picture included*

answered Jun 7, 2021

5 votes

19.6k views

Countries in which of these geographical regions have implemented a sound system of public welfare for their people? A. Western European B. Scandinavia C. South America D. Mediterranean

answered Jan 25, 2021

0 votes

78.4k views

There are 24 female performers in a dance recital. The ratio of men to women is 3:4. How many men are there in the dance recital?

answered Jan 7, 2021

5 votes

143k views

A circle has a circumference of 6. It has an arc of length 17/3

answered Apr 11, 2020

6 votes

24.8k views

What is the value of the 4 in 2.704

answered Jun 14, 2019

5 votes

76.1k views

A culinary club earns $1116 from a dinner service. They sold 32 adult meals and 60 student meals. An adult meal costs twice as much as a student meal. What is the cost of an adult meal?

answered Mar 21, 2019

3 votes

221k views

Monitor is to computer as antenna is to

answered Mar 8, 2019

4 votes

44.7k views

Which of the following correctly describes the reason for quality customer service? A. Compensate for low quality products and services B. Justify inefficient business practices C. Keep existing customers

answered Jan 23, 2019

4 votes

10.9k views

Sending a Thank You note after an interview is useful for which of the following reasons? It is another opportunity to sell your qualifications. Gives the company a positive impression. It allows you to

answered Jan 21, 2019

3 votes

18.7k views

In Emily Dickinson's poem "The Wind Begun to Rock the Grass" there's an enjambment between lines 16 and 17 "And then as if the Hands That held the Dams had parted hold" Is this a strong enjambment? and

answered Nov 23, 2018

7 votes

21.3k views

What is the momentum of a 79-kilogram ice skater gliding across the ice at a speed of 6 m/s?

answered Nov 3, 2018

2 votes

211k views

If you cut or burn your hand while on the job, how should you treat the wound before returning to work? a. Wash the wound with antibacterial soap, cover it with petroleum jelly to stop the bleeding, and

answered Oct 24, 2018

0 votes

72.7k views

Let m = 4 and n = 5. Select from the drop-down menu to create a true statement. 4m+4n = 2m2+ M N MN 2

answered Sep 12, 2018

5 votes

49.1k views

The mass of the large adult rhinoceros is 5,000 kilograms. the mass of the small adult rhinoceros is 2,300 kilograms. what is the difference, in grams, between the masses of the larger and smaller rhinos?

answered Aug 18, 2018

7 votes

136k views

Quick Style sets are located under the Styles group in the Home tab. true or false

answered May 30, 2018

6 votes

69.8k views

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