let R be the random variable representing the number of red balls chosen. What is f(3)?

Q: In a lot of 50 light bulbs, there are 2 bad bulbs. An inspector examines 5 bulbs, which are selected…

A:

Q: For the given probability distribution, X f(x,y) 1 2 5 0.25 0.2 y 10 0.2 0.15 15 0.15 0.05 Determine…

A: Solution

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: p.d.f. h(x) of the random variable x is defined by h(x)=3/(4(1-x²)),-1<x< 1,Calculate the standard…

A:

Q: The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore…

A: The t test are used to test the mean significance between the two sample. It used to test the paired…

Q: 1) Find the two-step transition matrix

A: here given Transition Matrix of markov chain

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Given that there are 6 kinds of toppings  and 3 toppings are selected for the order. Let n=number of…

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: The union probability for any two events A and B is defined as P(A or B) = P(A)  + P(B) – P(A and…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Here given there were six kinds of toppings that one could order for pizza  Here use counting…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A:

Q: If (xoy). X 2 4 · 10.10 3 0.15 0.20 0.30 5 0·10 0·15 d. Determine the cumulative distribution…

A: Given data is  f(x,y) x 2 4 Total y 1 0.10 0.15 0.25 3 0.20 0.30 0.50 5 0.10 0.15 0.25…

Q: a. Determine b. Determine C. Determine d. Determine the mean of x the mean of Y the variance of X…

A:

Q: The line width of for semiconductor manufacturing is assumed to be normally distributed with mean of…

A: Given: Mean μ=0.4 Standard deviation σ=0.15

Q: What are the differences between the two types of random variables in statistics? B i U Font Family…

A: Answer:

Q: A sample of 5 pipes is selected from the 30 pipes without replacement. Determine the probability…

A:

Q: determine the 95% confidence interval or range in an observed score of 86 if SD is 5.8 and the…

A: 95% Confidence interval is 79.4934 and 92.5066 Explanation: Data given, r=0.82 X=86 SD=5.8 Standard…

Q: The probability a component is acceptable is 0.8. Five components are picked at random. What is the…

A: Given,n=5p=0.8q=1-0.8=0.2A random variable X~Binomial(n=5  ,  p=0.8)P(X=x)=Cx50.8x0.25-x   ;…

Q: The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: GivenAn average 52 kg of bananas per day λ=52

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A:

Q: Q5//Four technicians regularly make repairs when breakdowns occur on an automated production line.…

A:

Q: 4. The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

Q: nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

A: The permutation formula is given by nPr = n!/(n-r)!

Q: Use the Central Limit Theorem to find the mean and standard error of the mean of the indicated…

A: Solution

Q: (1) Find the two-step transition matrix P(2)= (2) Find the three-step transition matrix ⠀⠀⠀ P(3) =…

A:

Q: The means of 6, 6, 6, 6, 6, 6 is 6?

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  here mean  = ∑xn

Q: In an experiment where 2 balls are drawn successively at random without replacement from a box…

A: Probability

Q: X-U(-1,1), then Y=3X-1 #1 ~ ES5+8= $24

A: Solution- Given that X~U(-1 , 1) Then Y=3X-1~ ?

Q: A particle is moving on the unit circle x² + y² = 1 at the constant angular speed > 0, starting at…

A:

Q: 55 Prove that the functio: probability density F Given f(x)= 2(1-x) and (0<x< ضافة ملف

A: Solution

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A:

Q: A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: The reliability or the probability of working of the four machines is as follows: Machine…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total Male…

A:

Q: Two "random" quarter-circles is generated as follows. First one randomly, uniformly choose a cutoff…

A:

Q: Given the following data set, let x be the explanatory variable and y be the response variable.…

A: Given data : sr.no X Y 1 6 4 2 1 9 3 3 8 4 7 3 5 5 5 6 2 8 7 3 7

Q: A scheme of random number generator is described as follows. First, one generates a normal random…

A:

Q: from. Determine the number of ways the greenhouse could select 4 tropical plants and 4 exotic plants…

A: here given ,  A local greenhouse is creating a plant display for a mall. The greenhouse currently…

Q: In a carnival game, a contestant has to first spin a fair coin and then roll a fair cubical dice…

A: P(prize won)=P(coin shows heads) and P(dice score is lower than 3) The event that the coin shows…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A:

Q: Use the drop-down menus to complete this sentence that reports the results. (Note: 'XXX' is put in…

A: The hypothesis test determines whether to reject or accept a null hypothesis.

Q: 6. if the scores of samples of students are 16 12 10 11 14 13 15 (a)13 (b)12 (c)11 then median is

A: Median is the middle most items. There are 8 items. The data is arranged in ascending order is given…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A:

Q: The water content of soil from a borrow site is normally distributed with a mean of μ = 14.2% and…

A:

Q: 29 percent of all Samsung cell phones are submitted for service while under warranty. Of these, 66…

A: Given: p(submitted for for service) = 0.29 p(repaired |submitted ) = 0.66 p(replaced | submitted ) =…

Q: Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A:

Q: CC (ANC) (ANC) C C 1. True 2. False

A: From the graph, A∩C=C   (i) C⊂(A∩C)⇒C⊂C⇒which is true since every set is the subset of itself…

Q: 2. For an exam given to a class, the students' scores ranged from 35 to 98, with a mean of 74. Which…

A: Given:For an exam given to a class the students scores ranged from 35 to 98 with a mean of 74

Q: For the given probability distribution, X f(x,y) 1 2 5 0.25 0.2 y 10 0.2 0.15 15 0.15 0.05 Determine…

A:

Q: The sample space S is depicted by the Venn Diagram below. P(A) = 0.35, P(B) = 0.67,P(C) = 0.13 P(An…

A:

Q: Compute the expected value for X.

A: here  given  joint distribution of X and Y  here E(X) = ∑X.p(X)

Q: a. What is the probability that all the three grade 11 students are included? b. What is the…

A: here in given problem no need of graph or curve  here given in group of 10 students , there are 3…