how many study groups of 3 girls and 2 boys can be formed?

Q: Test scores for a given class are normally distributed with a mean of 80 and standard deviation 14.…

A:

Q: In the instant lottery with 30% winning tickets, if X is equal to the number of winning tickets…

A: Binomial distribution is given by

Q: Scores for a common standardized college aptitude test are normally standard deviation of 115.…

A: Given Data : Population Mean,μ = 493 Population Standard Deviation,σ = 115

Q: Let X be a random variable with probability distribution as shown below: 25 2 <x < 10 f(x) = {3x3…

A: Given: fx=253x3, 2&lt;x&lt;100,  elsewhereand gX=5X+3

Q: 4 Ca nk / Number of 19 14 votes 1st A 2nd D 3rd

A: Instant run off method : In this method voting is done by preference ballot and preference schedule…

Q: 2. A heavy vehicle has five identical axles each of which has 8 identical wheels, four on each side.…

A: Each tire has a reliability of 0.9 but for an axle to be fully functional it is required to have at…

Q: Based on historical data, your manager believes that 31% of the company's orders come from first…

A: From the provided information, 31% of the company’s order come from first time customers, that is p…

Q: 5. Suppose (X, n2 0} is a Markov chain with state space (0, 1,2} and transition probability matrix…

A:

Q: The problem involves empirical probability. The table shows the breakdown of 87 thousand single…

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Q: The joint probability density function for X and Y is given by: ((x + y) f(x, y) = x > 0, y > 0,3x +…

A: For the given joint pdf of X and Y, we need to find the probability:P(0 &lt; X &lt; 1/3)

Q: Recall that a bank manager has developed a new system to reduce the time customers spend waiting for…

A:

Q: Let X1,..., X is a random sample from Binomial(p) and Y,..., Ym is another independent random sample…

A:

Q: Question * Test scores for a given class are normally distributed with a mean of 80 and standard…

A: Let X be the test scores  from normal distribution with mean (μ) = 80 and standard deviation (σ) =…

Q: Let X represent the full height of a certain species of tree. Assume that X is normally distributed…

A: Let X be the random variable from normal distribution with mean (μ) = 119.2, standard deviation (σ)…

Q: 6. C, C, C,

A: GIVEN EVALUATE EACH 8C2.6C2.4C2

Q: 46. Jun and Aaron are equally good at chess. They play three games against each other. What is the…

A: Given problem Given that   Jun and Aaron are equally good at chess. They play three games against…

Q: in a tyre manufacturing company, an industrial statistician has declared that 25% of the tyre…

A: Let X be the random variable from binomial distribution with probability (p) = 25% = 0.25 and sample…

Q: Question * In a technology company, it is known that the average of network failure is 1 per week.…

A: poisson distribution is given by

Q: 10.) Television Sale. The regular prince of a Philips color Tw is 439. During a sale, Hill TV is…

A: Given: Old or regular price = 439 New price during sale = 379.99

Q: 12. in a factorial treatment structure in a completely randomized design, under what condition could…

A: In a completely randomized design, the treatments are assigned completely at random so that each…

Q: ) In an experiment, a ball is drawn from an urn containing 7 red balls and 8 yellow balls. If the…

A: Given data An urn contains  7 red balls and 8 yellow balls A ball is drawn if the ball is red 3…

Q: If a random variable X is defined such that: E(X +4) = 10 and E[(X +4)] = 112. Then the values of u…

A:

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

A:

Q: Question * In a health examination survey of a prefecture in Japan, the population was found to have…

A: Given Data : Population Mean,μ = 99 Population Standard Deviation,σ = 12

Q: docs.googlecm/forms/t/e/1FAlpQSdeo OtmEGpkwN/14c T gotBMvsICidIMICyZwwlw/fomResgone Question Suppose…

A: Solution

Q: Question * In the instant lottery with 20% winning tickets, if X is equal to the number of winning…

A: Probability is the chance of occurrence of an event.

Q: need

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Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

A:

Q: The number of bacteria in a culture is increasing according to the law of exponential growth. The…

A: Given data n=260 And given  the population after 12 hours is double the population after 1 hour

Q: For n=8 and x= 0 41, what is P(X = 7)? P(X = 7)=(Round to four decimal places as needed.)

A: Let X be the random variable from binomial distribution with probability (π) = 0.41 and sample size…

Q: The joint distribution of the random variable X and Y is given in the following table: 1 3 4 Y 1 1 1…

A:

Q: 4, 4, 5, 6, 9, 9, 9, 12, 13, 14, 14 26. The mean is 27 The median of the distribution is 28. The…

A: Solution: Given data is already in ascending order so use given data n=number of elements=11…

Q: Let cov(X,Y) = var(X) = and h(y) = }* (4y, 0<y<1 %D %3D 45 45 elsewhere Then the value of var(2X +…

A:

Q: The joint distribution of the random variable X and Y is given in the following table: 1 2 3. 4 Y 1…

A: For the given joint distribution, we need to find the missing  values a and b.

Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

A:

Q: 9. A random variable X has the following p.m.f: X0 1 2 3. P J0.1 0.3 0.4 0.2 And F(x) is the cdf for…

A: It is given that the, A random variable X has the pmf as X P(X=x) 0 0.1 1 0.3 2 0.4 3 0.2…

Q: need the

A:

Q: 3. In this exercise, you will obtain some practice doing a simple linear regression using Minitab…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Participants in a study of a new medication received either medication A or a placebo. Find…

A: For the given data Find P ( placebo and improvement ) =?

Q: How can 12 prizes be distributed equally to 4 students? 396050) 369600) 345220 () 0 335900 ()

A: Given data How can 12 prizes be distributed equally to 4 students.

Q: iree throw. (That is, a second throw O points? 1 point? 2 points? Assume that the two throws are…

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Q: Explain how Napier rods can be used to find the product of 123 and 5.  14. How is the process by…

A: We have to find product of 123 and 5 by using Napier rod method. First we will draw complete table…

Q: ook a racecar driver 3 hours and 20 minutes to go 500 miles. What is the constant of proportionality…

A: Given that  It took a racecar driver 3 hours and 20 minutes to go 500 miles.  Number of miles (y) =…

Q: Let X and Y be two continuous random variables with joint probability density function given by:…

A: Option c is the correct answer.

Q: Question * In a technology company, it is known that the average of network failure is 1 per week.…

A: The probability density function of poisson distribution is given by

Q: Using the following two way frequency table, answer the following question: Have Been to Have Not…

A: Solution-: Given table:   Have been to Canada Have not been to Canada Have been to Mexico 6 3…

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: HERE GIVEN , network failure is 3 per week  λ = 3 failure per week

Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

A:

Q: The joint probability distribution function of a discrete random variable is f(x, y) = cx? /y for…

A: Given information:

Q: IV. Use the given data to answer item numbers 26 to 29. 4, 4, 5, 6, 9, 9, 9, 12, 13, 14, 14 26. The…

A: