Find n. P(n, 2) = 20 2 4 10 In how many ways can 7 keys be arranged in a key ring? 5040 2520 360 720 How many 3 - digit numbers can be formed from 1, 3, and 5 if no repetitio is allowed? 8 12 24

Q: Consider the lengths of stay at a hospital's emergency department. Hours Count Percent 10 1.99 47 9....

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Q: A dealer's profit, in units of $1000, on a new automobile is a random variable X having density func...

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Q: Consider the binomial distribution with n trials and P(S) = p (a) Show that p(v). n -y + 1)P for y= ...

A: a)Given binomial distribution Y with parameters n,p The binomial probability distribution function i...

Q: Let ? and ? be two mutually exclusive events. Given that (?)=0.25 and ?(?∪?) =0.77, determine ?(?).

A: Given: P(A)=0.25 P(A∪B)=0.77  

Q: A Markov chain has transition matrix 글 0 글 3 Given the initial probabilities ø1 = $2 = $3 = , find P...

A: Given the transition matrix of the Markov chain is P=1216131201234140 The initial probabilities ϕ1=ϕ...

Q: Q4. Identify the incorrect statement below: The estimator, X from a random sample of X A. Is the mea...

A: Introduction: It is required to find the incorrect option.

Q: 4. Given u = 72, o = 6, n=45. 5. A population has mean 5.75 and standard deviation of 1.02. If a ran...

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Q: What is the probability of obtaining 413 or more 16s in 15,000 spins of a European wheel if it is no...

A: Here use standard normal distribution table for probability from z score  Here sample is too large s...

Q: Four cards are drawn from a standard deck of cards. Two are black and two are red. How many possibil...

A: Given:  1): Total no of item in the sample the symbole used r : Fact ,Bluff  2): to draw 4 cards 2 b...

Q: Question 30 Suppose that there is a 1.1% chance a planet will develop life, a 2.2% chance that the l...

A: 1.1% Planet will develop life 2.2% life will evolve the complex organism 7.3% advanced civilizat...

Q: . An urn A contains 2 white and 4 black balls. Another urn B contains 5 white and 7 black balls. A b...

A: Here One ball is selected from urn A and transfer to B So if selected ball from A is white then no o...

Q: A study shows in a certain school that the average number of hours a student answers his/her module ...

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Q: 3. An agronomist breed two rice varieties which are X variety that are long and aromatic grain and Y...

A: Given information:- Note: As per guidelines we will solve the first question only, please repost ot...

Q: 5. Which of the following is a True Statement about permutation and Combination? * O A combination i...

A: Q.5  Correct answer is, Permutation is an ordered combination. First option is incorrect, because in...

Q: Suppose Emerson wins 32% of all bingo games. (a) What is the probability that Emerson wins two bingo...

A:   Given problem Given that   The area that lies between Z = - 0.54 and Z = 1.85 is, P( -0.54 < Z ...

Q: Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tell. What is the...

A: Answer- Given Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tel...

Q: 1. How do the deviations compare for the single coin toss between the group and the class data? What...

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Q: probability that at least one women will be selected ?

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Q: A newspaper published the table below. It shows a sample of the daily wages paid by 5 local factorie...

A: The wages of factory D are 200, 210, 205, 220 and 220.

Q: Show that the p.d.f. of Z? is given by g1(x) = cosh(vAr), x > 0, wh cosh(z) = }(e² + e-=) is known a...

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you re...

Q: A certain company has two car assembly plants, A and B. Plant A produces twice as many cars as plant...

A: Let probability of car is from plant A = P(A) = 2/3 and the probability that the car is from plant B...

Q: If an insurance sales representative has a 0.20 probability of making a sale on every call, what is ...

A: Given that n = 6,p =0.20 Find P ( x >=2 ) = ?

Q: Practice this Genetic Problem • Mendel's experiment on crossing pea flower with purple and white pro...

A: Given information:- Note: As per guidelines we will solve the first question only, please repost ot...

Q: Assume that when an adult is randomly selected, the probability that they do not require vision core...

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Q: The following table shows the typical depth (rounded to the nearest foot) for nonfailed wells in geo...

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Q: Steps a. Draw the appropriate r curve.

A: a) Normal Curve:   b) By normal ; μ: 0 ;σ: 1 Z = (x-μ) / σ The 88th percentile is X when Z has a p-...

Q: 1. list the sample space S using the letters D for defective and N for non-defective computers, resp...

A: Here given,   computer teacher told you that the 6 computers in the separate computer room contains ...

Q: The sample space of a random experiment is {a, b, c, d, e, f}, and each outcome is equally likely. A...

A: As per bartleby guideline expert have to answer first three subparts only dear student please upload...

Q: Assume that when an adult is randomly selected, the probability that they do not require vision corr...

A: Given that  n=14 , p=28%=0.28 , q=1-p=1-0.28=0.72 X~Binomial(n=14,p=0.28) X= Number they do not requ...

Q: Activity 2. Consider sampling the 300 students, in a different way, to obtain a sample of 150 stu-de...

A: There are 300 students in the sampling. There are exactly 150 students alongside their name 1 will b...

Q: You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put th...

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Q: Let us think of the issue as the proportion of Czechoslovak territory given to Germany. Possible out...

A: Step 1 Given information 2 countries Allies and Germany Allies has 2 strategy compromise and fight ...

Q: 5. Brandon, a quality control engineer claims that the life length of a particular light bulb for an...

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Q: Cj's average SSS income loan in 20,000. Find the chance that the employee owes less than 17,000 if t...

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Q: The average lifespan of XYZ's phones is 6 years. Each phone lifespan is exponentially distributed. a...

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Q: (g) Suppose there are 5 questions in an exam paper, find the number of ways in which a student can a...

A: Given that - (g) Suppose there are 5 questions in an exam paper, find the number of ways in which a ...

Q: I roll a regular six-sided die. What is the probability that the score is an even or prime number? 5...

A: A regular six-sided die is rolled. The sample space is, S=1, 2, 3, 4, 5, 6 Here even numbers are 2, ...

Q: Find P (A/B) and P (BIA), show 4 3 3 Given P(A) 8' whether A and B are independent. . P(B) - and P(B...

A: Given,P(A)=38P(B)=58P(B∩A)=34

Q: In how many ways can we pick 2 books so that the following two constraints are both satisfied: (1) ...

A: We have 12 books in total.3 books are coloured red,4 books are coloured green, and5 books are colour...

Q: A bag contains 30 balls numbered from 1 to 30. One ball is drawn at random. Find the probability tha...

A: We have  A bag contains 30 balls numbered from 1 to 30 then the sample space (S) is,  S= {1, 2, 3, 4...

Q: 2. Let X be a random sample form N(0, e). Find the complete sufficient statistic for e.

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Q: A binomial probability experiment is conducted with the given parameters. Compute the probability of...

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Q: A special plate number is made up of 2 letters of the vowel followed by 3 digit numbers. How many pl...

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Q: Box 1 (B1) has 3 Red and 4 Green balls, Box 2 (B2) has 4 Red and 5 Green balls. One of the boxes is ...

A: given that box1 has 3 red and 4 green balls box2 has 4 red and 5 green balls ( a )P(R)=? (b)P (B2/R)...

Q: probability of scoring less than 30 is:

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Q: 2. How is the sample size related to the deviation?

A: We have to define how sample size is related standard deviation

Q: 2(x1|x2) = c1¤1/x3, 0 < x1 < x2 < 1, zero elsewhere, and f2(x2) = c2x½, 0 < x sewhere, denote, respe...

A: *Answer:  Give that 2. Let f12 (12) = C₁x₁/x²2, 0 &lt; x₁ &lt; x2 &lt; 1, zero elsewhere, and f2(x2)...

Q: 2. The number of pages in a PDF document you create has is randomly distributed between 5 and 9 page...

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Q: Let ? and ? be two mutually exclusive events. Given that (?)=0.25 and ?(?∪?) =0.77, determine ?(?).

A: Given: P(A)=0.25 P(A∪B)=0.77

Q: At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.How many different three c...

A: Ans#-  Given, At a restaurant you can choose from 3 appetizers 8 entrees, and 2desserts.            ...