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What are all the ways in which the top 4 racers in a 20 person race can finish?

For normally distributed variables, approximately what percentage of values fall within two standard...

A service has five tasks, performed in sequence.  In the instance when there is more than one worker...

A three dice is a six sided dice with only the numbers 1,2 and 3 . The usual numbers 4,5 and 6 are r...

Given the following sampling distribution:X	  0	  3	    7         	14	                        19P(X)...

For this problem, carry at least four digits after the decimal in your calculations. Answers may var...

Inclusions are defects in poured metal caused by contaminants. The number of (large) inclusions in c...

If a manufacturer is trying to put together a sample collection of her safetyproduct and order is no...

A data set is formed by recording the sums in 400 rolls of a pair of a dice. A second data set is fo...

Let X be defined as follows. Let Y1, Y2 ∼ Ber(1/2) be independent and {0, 1} valued and let Z ∼ U[0,...

There are 50 0ne dollar bills that be divided up among seven diffrent people any person may recieve ...

Among a student group 49% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the...

In 7-card poker, played with a standard 52-card deck, 52C7, or 133,784,560, different hands are poss...

At local industry, the scheduler is facing adilemma. A shaft must go through the following threediff...

Let N ∼ P oiss(λ) and let Xi be iid Ber(1/2) random variables that take on the values {0, 1} where P...

3 three sided dice (with sides labeled 1 , 2 and 3) are rolled and their sum is recorded . what is t...

Between the 2010 Census and 2011 the official population of Denver increased from 600,158 to 619,968...

Department
 
 




Sex
Packaging 
shipping
total


Female
32
48
80


male
48
72
120


Total
80
120
2...

A rare form of malignant tumor occurs in 11 children in a million, so its probability is 0.000011. F...

a bag of marbles has 8 green, 10 red, and 5 blue marbles. One marble is drawn from the bag. What is ...

A​ single, six-sided die is rolled. Find the probability of rolling an even number or a number less ...

Is the following argument valid or invalid? If it’s valid, rewrite the same argument symbolically(p,...

Suppose that the lifetime of a component (in hours), X is modelled with a Weibull distribution with ...

My math problem is: 
50% of the students enrolled in a business statistics course had previously tak...

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1.4.12
Let Q(x) be the statement “x+ 1 &gt; 2x.” if the domain consists of all integers, what are th...

A certain prescription drug is known to produce undesirable side effects in 35​% of all patients who...

What would be an example of an exposure ratio threshold?

Annual salaries in a large organization can be modeled as a lognormal variable with log (to the base...

Find z such that 60% of the standard normal curve lies to the left of z. (Round your answer to two d...

Three students from a 20 student class will be selected to attend a meeting . 6 of the students are ...

How many diffrent ways are there to distribute 12 identical bones among three diffrent dogs?

Team sales personnel think that merchandise sales at their upcoming sporting event could be related ...

Rolling a Die:  A die is rolled 30 times.  What is the expected number of times that a 5 or 6 will a...

Given the following sampling distribution:X	-18	-11	-4	4	19P(X)	7⁄100	1⁄50	9⁄100	1⁄20	___(i) Find P(...

Sergio, Kim, Jim, Maria, Sarah, Larry, and Tyrone have all been invited to a dinner party. They arri...

A local university has 2,815 Hispanic students out of a total of 20,250 students. How many more Hisp...

In how many ways can 8 people be seated in a row if    a.) there are no restrictions on the seating ...

A financial services committee had 60 members, of which 10 were women. If 8 members are selected at ...

What is 28 pounds of recyclable trash in a barrel of 52 pounds of trash?

Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

The probability density function of the time to failure of an electronic component in a copier (in h...

Samples of rejuvenated mitochondria are mutated (defective) with probability 0.2. Find the probabili...

Three fair coins are tossed. The two possible outcomes for a single coin are​ heads, h, and​ tails, ...

f (x, y) =(x+y)/(1(1 + 2)) is a joint probability density function over the range 0 &lt; x &lt; 1 an...

In a Ni-Cd battery, a fully charged cell is composed of nickelic hydroxide. Nickel is an element tha...

Two test parts are mixed in with a box of 25 good parts. Probability of randomly selecting one of th...

Introduction:In the given situation, the number of persons participated in the race is 20. The requirement is the top 4 racers.<ul><li>There are 20 different racers that can come in the first.</li><li>Then, there are 19 different racers who do not come in the first, can come in the second.</li><li>Next, there are 18 different racers who do not come in the first or second, can come in the third.</li><li>After that, there are 17 different racers who do not come in the first or second or third, can come in the fourth.</li></ul>

Find the number of ways in which the top four racers in a 20 person race can finish:The total number of racers is 20.The required number of top racers is 4.The number of ...

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<span style="color:#292929;font-family:Roboto, Helvetica, Arial, sans-serif;font-size:22px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:start;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;-webkit-text-stroke-width:0px;background-color:#ffffff;text-decoration-style:initial;text-decoration-color:initial;display:inline;float:none;">What are all the ways in which the top 4 racers in a 20 person race can finish?

What are all the ways in which the top 4 racers in a 20 person race can finish?

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