Suppose that a box contains 8 cameras and that 4 of them are defective. A sample of 2 cameras is selected at random, without replacement. Define the random variable X as the number of defective cameras in the sample. Write the probability function for X. f(x) I 0 1 2 What is the probability that X < 1?

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A: From the provided information,

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A:

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A: Given,Sample size , n = 12Sample , S.D = S = 53Confidence level , C = 90% = 0.90Using formula,

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A:

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A: Total= 40 English = 18 French = 22Spanish = 17 English+French = 9 English+Spanish = 6 French+Spanish…

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A: Experimental probability may be defined as the ratio of favourable outcomes to the total outcomes.

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A: From the above given data the following solution is provided below:

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A: It is given that Total  number of people = 6 men  + 6  women = 12These 12 people are divided into 2…

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A: L is Lyme disease and H is HGE diseasesP(L) = 0.14P(H) = 0.06P

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A: There are two boxes Box1 B1 and Box2 B2 Box 1 contain total 20 marbles : 5 black and 15 white.Box 2…

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A: Given,P(E) = 0.26 and P(F) = 0.47Using formula, ;for A and B are two disjoint events.

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A: From the provided information,Level of significance Confidence level = 85%The test is right tailed.

Q: n n ("+¹ ) = ( , ²₁ ) + ( ² ) - 1

A:

Q: Question Find the mean of the random variable X with the given probability density function: for 0 ≤…

A: f(x)=x364; 0≤x≤4

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A: The mean is 121 and the standard deviation is 16.

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A: Since we know that in a standard deck of cards there are 52 cards 26 are black and 26 are red

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Q: Hospital Noise Levels For a sample of  8 operating rooms taken in a hospital study, the mean noise…

A: Sample size Sample mean Sample standard deviation .

Q: Can I approach part a like this? See attached image. Thanks.

A: the probability mass function of X f(x)=c(2/3)x x=1,2,......

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A: It is given that British people = 19American people = 11Total people = 19 + 11 = 30

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A: We have given the following pmfx161820p(x)0.40.20.4

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A: The provided information is as follows:5 fair dice are rolled.

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Q: 5. Suppose you planned on giving 7 gold stars to some of the 13 star students in your class. Each…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: For the normal distributions shown to the right, find the probability that an observation falls in…

A: P(X  &gt;  = P(x -             = P( &gt; 0.58)            = P(Z &gt; 0.58)           = 1 - P(Z &lt;…

Q: If 10 parts per million is the threshold for poor air quality, based on the sample above, with 90%…

A: If 10 parts per million is the threshold for poor air quality, based on the sample above, with 90%…

Q: suppose you roll a fair six-sided die repeatedly until the first time you roll a number that you…

A:

Q: uppose your favorite coffee machine offers 13 ounce cups of coffee. The actual amount of coffee put…

A: Let X be the amount of coffee put in the cup by the machine.Given X follows a normal distribution…

Q: A college student is taking two courses. The probability she passes the first course is 0.63. The…

A: Passes first course : P(A) = 0.63 Passes second course : P(B) = 0.71  Passes ( at least one ) P(A ∪…

Q: 3. Two random variables X and Y have the following joint probabilities: x = 1 x = 2 x = 3 x = 5 0.1…

A: The joint probability distribution of X and…

Q: can you use a method to work out 3 row of 5 lottery numbers for me ranging from 1 to 36 from these…

A: The provided information is as follows:The lottery ranges from 1 to 36.11 13 17 26 2718 19 21 26 28…

Q: Question 11 The composer Beethoven wrote 9 symphonies, 5 piano concertos (music for piano and…

A: The composer Beethoven wrote 9 symphonies, 5 piano concertos (music for piano and orchestra), and 32…

Q: In a national basketball association, the top free-throw shooters usually have probability of about…

A: Note:Hi there! Thank you, for posting the question. As the sub parts are answered correctly, we have…

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Q: The Psychic Friends Network (PFN) received telephone calls in 1999 from over 1.5 million people. A…

A: 10 cards are shuffled. The number of the experiment is 15.

Q: Here is a table showing all 52 cards in a standard deck. Face cards Color Suit Ace Two Three Four…

A: The number of cards in deckThe total number of diamond cardThe total number of heartsThe total…

Q: Johns Hopkins University reports Covid-19 statistics daily for every US state and many countries in…

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Q: Future scientists: Education professionals refer to science, technology, engineering, and…

A: Sample size=n=140=P=0.28=0.0379

Q: A standard deck of playing cards has 52 cards, 13 of which are Diamonds. Suppose you randomly pick 3…

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Q: Whenever Hank a bag of marbles, he grabs a handful at random . He has seen a a bag of two red…

A: a bag  contain oftwo red( R) marbles, two green( G) marbles, four white (W)marbles, and two…

Q: In the past the percentage of unemployed Chinese men is 18% if the number remains for this year,…

A: This year, 18% of the chinese men are unemployed.

Q: A pharmaceutical company claims 90% success rate of a newly invented drug to treat arthritis pain.…

A:

Q: Theorem 2.5 Multiplicative Laws of Probability The prob- ability of the intersection of two events A…

A: Number of red balls = 3Number of blue balls = 4Total balls = 3+4=7