A bag contains 3 Red and 4 Black balls, A ball is drawn at random from What is the probability that the ball is black.

Q: A die is rolled three times. What is the chance that--- all the rolls show 1 spot?

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Q: Example 3.9. For x = 1,2 and y = 1,2, let the joint PMF of X and Y be defined by ry fx.y(x, y) = 15 ...

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Q: In reference to the general nature of research, how could this research topic entitled “Conditioning...

A: Research topic : "Conditioning as a Function of the interval between the Conditioned and original st...

Q: An unbiased die is thrown twice. Find the probability distribution of the number of sixes.

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Q: A set of three similar coins are tossed 100 times with the following results: 1 2 3 Number of heads:...

A: Solution is given:

Q: Imagine you're at the beach. You're really thirsty and decide to go to a beach stand to get some cok...

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Q: . either Oliver or Gemma will be elected. b. either Rey or Oliver will be elected. c. neither Rey no...

A: here define event  rey will be elected  = R oliver will be elected  = O gemma will be elected = G he...

Q: An American roulette wheel contains 38 numbers: 18 are red, 18 are black, and 2 are green. When the ...

A: Givenno.of red numbers=18no.of black numbers=18no.of green numbers=2Total numbers=38

Q: olemsieq A A. Population: B. Population Mean: C. Means of Samples Drawn without Replacement from the...

A: Here use basic of sampling distribution 

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted, ...

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Q: The Venn diagram here shows the cardinality of each set. Use this to find the probability of observi...

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Q: According to the table below, what is the probability that the grade of a student chosen at random w...

A: Solution-: We have following table: Grade A B C D F Probability 2/35 3/35 17/35 9/35 4/35 We...

Q: 30. A laptop company claims up to 11.5 hours of wireless web usage for its newest laptop battery lif...

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Q: A. P(5.4 < x < 12.3)- B. P(x = 7.2) = 1

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Q: A specific location has a 10% chance of rain on any given day. How many days should you expect to wa...

A: A specific location has a 10% chance of rain on any given day.  So, probability that there will be r...

Q: True or False? Var(Y|X = x0) = Var(Y).

A: We need to answer if: Var(Y|X=x0) = Var(Y) is true or False.

Q: The probability that a randomly selected box of a certain type of cereal has a particular prize is 0...

A: Given The probability that a randomly selected box of a certain type of cereal has a particular priz...

Q: 3 and the the probability that player B scores a goal is 8 In a soccer game, the probability that pl...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: Suppose that 50 sites on a patient might contain lesions. A biopsy selects 8 sites randomly (without...

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Q: Direction: Complete the table below then find the mean, variance and standard deviation of the follo...

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Q: TOPIC: Permutation / Combination There are 2 red Toyota, 3 black Honda and 4 white Mitsubishi cars ...

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Q: 1.6.Find the corresponding standard score of the following values: a. 88 b. 86 c. 92 d. 94​

A: Here given  Mean = 90 Standard deviation  = 1.6 Use z score formula here 

Q: 1. Using MAD as the criterion, which of the following models would you use for the given time series...

A: Question:

Q: The shelf life of a battery produced by one major company is known to be Normally distributed, with ...

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Q: 9. The results of a survey involving the use of pajamas while traveling are listed as follows: Erkek...

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you. T...

Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed wit...

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Q: die is rolled three times. What is the chance that--- not all the rolls show 1 spot?

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Q: 14. The formula for Chi Square (x) is: X = chi squared x² = E (0; – E;)² E; O; = observed value E = ...

A: Given that, put 270 corn kernels, 90 rice grains, 90 mongo seeds and 30 squash seeds into a containe...

Q: Find the probability that the chosen ball is blue or red.

A: It is a problem of basic probability. A ball is drawn randomly from a basket containing red, blue an...

Q: Determines who wins the plurality vote and who wins the rank voting or preferential voting method in...

A: Please note that as per our guidelines we can answer the first three sub-parts only if the student p...

Q: Find the number of ways of arranging the letters of the word ORANGES if: a) the vowels O, A, E canno...

A: Here use concept of total arrangement 

Q: Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers...

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Q: Ho : µ = 6 vs Ha : µ # 6 has the value t* = 1.93. Based on this information %3D we would reject the ...

A: Given : n = 19  Null and alternative hypothesis is  Ho : u = 6  Ha : u ≠ 6  the Hypothesis test is a...

Q: The events A and B are such that P(BIA)= 0.2, P(B|A') = 0.3, P(A|B)= 0.4 and P(A) = p a) Find the va...

A: the events A and B are such that P(B|A)=0.2,  P(B|A')=0.3,  P(A|B)=0.4 and  P(A)=p

Q: What is the probability that the accident occurred on either the evening or the graveyard shift?

A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32

Q: Home Work -1: The random variable X has the probability distribution of the following form : 3. 4. P...

A: As per our guidelines we are suppose to answer three sub parts. X 1 2 3 4 P(X) k 2k 3k 4k

Q: For two cdfs F(x) and G(x), F(x)G(x) is a cdf.

A: Solution

Q: 4. How many different choices of a car do you have if a particular model comes in 15 colors and thre...

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will an...

Q: Eight coins are tossed simultaneously. Find the probability of getting atleast six heads.

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Q: For the sample: 45 84 73 58 54 73 52 60 51 80. Determine the variance and round answer to 2 decimal ...

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Q: 13. A supplier delivers an order for 30 electric toothbrushes to a store. By accident, three of the ...

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Q: 23. How many even three digit numbers greater than 400 can be formed from 1, 2, 3, 4, 5, 6, 7, 8, an...

A: Given that, 23. How many even three digit numbers greater than 400 can be formed from 1, 2, 3, 4, 5,...

Q: Activity: Challenge Me! Use the different step in answering the given problem.Consider all samples o...

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Q: 3. In a job fair, 3 000 applicants applied for a job. Their mean age was found to be 28 with a stand...

A: ( 3 ) Given mean = 28 ,s.d =4 ,n =3000 Find the given problems

Q: The coefficient of correlation between the ages of husbands and wives in a community was found to be...

A: Solution is given below:  

Q: a) How big of a loan can you afford? $ b) How much total money will you pay the loan company? $ ...

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Q: Write the product in the form nPn: a) (11)(10)(9) =

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Q: assume that the distribution is normally distributed. What is the probability the part is properly p...

A: here given mean = 3 standard deviation = 0.08 Y = diameter of Pipe here use standard normal distribu...

Q: that out of these three items (i) three items are non-defective; (ii) two are non defective and one ...

A: here given , there are total 20 items 12 are non defective  and  8 are defective customer select 3 i...

Q: "SmartB" owns a phone battery assembly line which provide phone battery to a mobile company. It is k...

A: Given that , 4% of the batteries produced by "SmartB" are defective.  i.e. p=4% = 0.04 And random sa...