If X is a binomial r.v. with expected value 6 and variance 2.4, find P{X = 2}. lint. EX = µ = np = 6 and VarX = npq = 2.4. You need to find n and p from these two equations

Q: The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal…

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Q: 10. Customers are used to evaluate preliminary product designs. In the past, 95% of highly…

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Q: 2.3 System reliability. A system consists of four subsystems connected as shown below, which…

A: Introduction :-  Here we have to find reliability of the given system.

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A: Given Information: Orders at a restaurant are independent and identically distributed random…

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A: Given data :  Y = 5.1 + 10.51t  - equation 1 Dive duration is 6 seconds.

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Q: 6. If the probabilities are 0.10, 0.14, 0.23, and 0.25, respectively, that a student buying a new…

A: The solution is as follows,

Q: The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 320…

A: a. The required highest 30 percent or 70th percentile will be given by as follows: z=0.5244…

Q: 1. Applicants for the presidency of the APIEMS job consists of 10 Filipinos, 8 Australians, 12…

A: Probability = Number of favourable outcome/Total number of outcomes

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: Given information No of cellphones No of respondents 0 207 1 298 2 361 3…

Q: Let sinx 0 <x<n f(x) = otherwise be probability density function of X, Compute var(x)?

A: The variance of X is defined as Var(X) = E(X2) - (E(X))2

Q: A certain game involves tossing 3 fair coins, and it pays 11¢ for 3 heads, 5¢ for 2 heads, and 1¢…

A: The probability distribution of 3 tossed coin: The probability distribution of Profit Profit (x)…

Q: I need help finding the probability

A: Formula used: P(A∪B)=P(A)+P(B)−P(A∩B)   Calculation: a. We know that it is possible for the pointer…

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: The following contingency table summarizes the drug test results for 401 test-takers: Positive…

A: Given problem Given that   For a randomly selected test administration, We have to find the…

Q: At the end of each week, the inventory for each cookie is equal to the amount baked plus the…

A: The option that models the given constraint is: Ii,t= Ii,t-1 + xi,t - di,t  ∀i=1,.....,m…

Q: 8. Suppose that a cargo container at the port containing 25 bales of cashmere yarns contains 5 bales…

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Q: Which category has the greatest marginal frequency? High school students who chose playing sports…

A: It is given that the students ( ages 10-18 ) were surveyed to choose a favourite free time activity.

Q: I need help finding the probability

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Q: Last year's freshman class at Big State University totaled 5,320 students. Of those, 1,262 received…

A: Given: Meanμ=3450Standard Deviationσ=480

Q: The contingency table below shows the results of a survey of video viewing habits by age. Video…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A group of 5 students is to be chosen from a 30-member class to represent the class on the student…

A: From the given information, a group of 5 students is to be chosen from a 30 member class to…

Q: A manufacturer of tablet ipods is concerned about the possible recall of their best selling model.…

A: The addition rule is as follows: Given that there is 0.30 probability that a defect is in the video…

Q: 3. Two cards are drawn in succession from a deck without replacement. What is the probability that…

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Q: The two-way table given shows the results from a survey of pet owners. Owns a Dog Does Not Own a Dog…

A: Correlation is used to measure the association between the two variables. Coefficient of association…

Q: I need help figuring out how to solve this probability

A: The provided information is:The population size (N)=7Non-defective owns (k)=5Sample size…

Q: Tire pressure monitoring systems (TPMS) warn the driver when the tire pressure of the vehicle is 27%…

A: Given, Target pressure = 32 At the 27%

Q: What is the probability that the container given to the tester has exactly 3 flakes of gold?

A: Here given , San Miguel Corporation has a plan to put something into their new product: tiny gold…

Q: P(A₁) = 0.22 P(A₂) = 0.25 P(A3) = 0.28 PLA, NA₂) = 0.14 P/A, NA3 ) = 0.05 P(A₂ MA3) = 0,06 P(A₁ ^ A₂…

A: Solution

Q: Find the probability that the student is undecided or not transferring?

A: The row and column totals are, Class Yes No Undecided Total Freshman 48 21 11 80 Sophomore 34…

Q: Find the mean and standard deviation for each uniform continuous model. (Round "Mean" answers to 1…

A: If X follows uniform distribution with parameters a and b, then the mean and standard deviation is…

Q: Two cards are drawn at random from a standard deck of 52-playing cards. Find the probability both…

A: Total no.of cards in a deck  = 52  No.of heart cards = 13 No.of cards are not heart cards = 39 The…

Q: If a dart is thrown and hits the board, what is the probability that it will hit the shaded bull's…

A: Given that    A dart is thrown and hits the board. Here we have to find the probability that it will…

Q: 2. If a coded item in a catalogue begins with 3 distinct letters followed by 4 distinct non-zero…

A: Given, If a coded item in a catalogue begins with three distinct letters followed by 4 distinct…

Q: Find the probability that the arrow will land on 5 or 4

A: Total number of digits in the wheel = 5 Digits = 1, 2, 3, 4, 5 Number of "1" digit number = 1 Number…