What is the total number of outcomes

Q: (a) The names can be arranged in 2.433 x 1018 (Use scientific notation. Use the multiplication symbo...

A: *Answer:  The given information is  In an opera, the performers sing a chorus involving different na...

Q: Entries in the table give the area under the curve between the mean and z standard deviations above ...

A: Let X be the random variable from normal distribution with mean (μ) = 28 and standard deviation (σ) ...

Q: 6. Suppose X is a continuous random variable with a strictly positive probability density function f...

A: Here are two methods of solving this probability density function                                   ...

Q: The expected gross winnings are

A: here total sold tickets are 15000  one prize of $2000 2 prize of $750 3 prize of $300 here Y = gross...

Q: 6. (Sections 8.8 and 8.9) Determine whether the following piecewise-defined function is a probabilit...

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Q: n a survey of 2847 ​adults, 1408 say they have started paying bills online in the last year.   Const...

A: Given that  Sample size (n) =2847 People started paying bills online (x) = 1408 Proportion (p) = 140...

Q: A group of 126 doctors and nurses volunteered to run a health fair. Each volunteer worked one shift....

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Q: What is the probability that at least one of the jellybeans is yellow? b) What is the expected numb...

A: A bag contains 8 red, 7 green, 5 black and 10 yellow jellybeans. 6 jellybeans are selected at random...

Q: 2 Q. A telephone call may pass through a series of trunks before reaching its destina- tion. If the ...

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Q: The table below shows the survey results among a group of students on the number of pets they have a...

A: Given: Y 0 1 2 3 4 5 Total Frequency 5 4 6 8 1 1 25  

Q: There are three boxes I contains 10 light bulbs out of which 4 are defective II contains 6 light bul...

A: Probability is the likelyhood of the observation in the data set. Conditional probability is calcula...

Q: PROBABILITY DISTRIBUTION OF A RANDOM VARIABLE 15 17 18 19 20 21 22 23 24 PX) 34 3 2 34 34 34 34 34 3...

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Q: 2. Do the followings with R: a. Create a plot of the pdf of the exponential distribution Exp(A = 2)....

A: a. Plot the pdf of the exponential distribution with Expλ=2:  

Q: die will be rolled 5 times. Find the chance of getting at least two fours.

A: Given that ; die will be rolled 5 times. Find the chance of getting at least two fours. By using bin...

Q: asks women who work full time about the number of children they have. The table below e results. Mak...

A: 4) The total number of families is 200+245+135+56+21+9+6+1=673.

Q: For the facilities manager's sample, find and write with proper notation the sample proportion and p...

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Q: Suppose that in a certain class, grades will be given in a uniform distribution where a = 80, b = 10...

A: Given that  f(x)= 1/(b-a)     , a< x <b X~Uniform ( a ,b) a=80  , b=100

Q: (d) P(1 S X) when n = 9 and p = 0.15

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Q: 3. Which of the following events has the highest probability of occurring: a. At least two 6 shows u...

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Q: Marine Air Army Navy Corps Force Total The table shows the breakdown of 93 thousand single parents o...

A: Obtain the probability that a randomly selected single parent in the military is in the Air force or...

Q: How many different 4-digit numbers can be formed from the numbers 2, 4, 5, and 8 if no digit is repe...

A:   How many different 4-digit numbers can be formed from the numbers 2, 4, 5, and 8 if no digit is re...

Q: Two marbles are drawn from a bag that is 3 red, 4 purple, and 2 black. Find the probability that you...

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Q: Find the expected value of the probability model.

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Q: 3. Suppose X1 and X2 are independent random variables w. Let U = X1 and V = X1+X2. Find p(U, V) in t...

A: Result  X1 and X2 are independent, then Cov(X1, X2)=0   

Q: In a memory test, the test subjects are shown 400 objects and are asked after two hours to name the ...

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Q: Suppose two random variables X and Y have a joint pdf f(r, y) = ar*y, 0<I< 1,0< y<1, where a is a po...

A: Let f(x,y) be the joint pdf of the random variables X and Y. 1. The constant 'a' is obtained from th...

Q: Fill in the blanks: David is doing a research project in political science to determine the proporti...

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Q: Suppose you roll a dice n times, and let ai be the number you get in the i-th roll. Defifine m := m...

A: Given: Suppose you roll a dice n times, and let ai be the number you get in the i-th roll. m := max1...

Q: QUESTION 1 There are -two- boxes containing blue and white marbles. Box 1 has 4 blue and 3 white mar...

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Q: "For the following system, write down the expression for system reliability: A C E D C Assuming that...

A: A and B are in series.  So reliability in series is,  RAB= RA*RB  Where RA and RB are the reliabilit...

Q: The arduous task of combing and tying up long hair and a desire to assimilate has led to approximate...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: For a standardized psychology examination intended for psychology majors, the historical data show t...

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Q: P(A or B) = 15/26. enter the correct percentage rounded to the nearest whole percent

A: According to the given information in this question P( A or B) = 15/26 We need to find the percentag...

Q: Find the cumulative density function for the given probability density function. k(x) = 0.4 e-0.4x f...

A: Given that  Probability  k(x)=0.4e-0.4x   , 0≤x&lt;∞        =0             , otherwise 

Q: Provide an appropriate response. 14. In a game, you have a 1/36 probability of winning s85 and a 35/...

A: From the given data Find ( 14 ) Expected value =?

Q: 5. How is the sampling distribution of the statistic displayed?

A: We have to find  The sampling distribution of chi square Statistic:   

Q: Bob selects independent random samples from wo populations and obtains the values p = .700 and p2 on...

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Q: 8. Amanufacturing process has a 70f% yield, meaning that 70%% of the products are acceptable and 30%...

A: Let p be the probability of accepting  n be the number of sample size  Le X be the number of accepta...

Q: 14. Which of the following show a simple event? A. Getting a sum of 4 in rolling dice. B. Choosing a...

A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first q...

Q: Flagstaff found 470 NAU students who drink coffee daily. Find a 95% confidence interval for the true...

A: Given

Q: The boxplot below shows salaries for Actuaries and CPAS. CPA Actuary 90 100 110 30 40 50 60 70 80 Sa...

A: From given boxplotFor CPAMinimum value = 32Q1=40Q2=Median=70Q3=85Maximum value = 95For Actuary:-Mini...

Q: When n is large, typically bigger than 40, we can use the to be equal to ơ. mean

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Q: In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 with a standard ...

A:  Given that.   X~N( μ , ?^2 )   μ=28    , ?=4   Z-score =( x - μ )

Q: Sweet Rush is an ice cream shop chain that has locations all across the nation. Customers at Sweet R...

A: Given. Mean=μ=2.86, standard deviations σ=0.23, n=7     

Q: 3. The following table lists the outcomes of free throw attempts by Ben. Second Hit Miss Total Hit 6...

A: Please note that as per our guidelines I have answered the first question. Please repost the remaini...

Q: (a) Describe the correlation (positive/negative/none, strong/weak). (b) Give a plausible reason for ...

A: here use given scatter plot for describing correlation

Q: Mean Standard deviation

A: According to a May 2020 Counterpoint Research report, 72% of all new mobile devices in North America...

Q: QUESTION 1 There are -two- boxes containing blue and white marbles. Box 1 has 4 blue and 3 white mar...

A: There are two boxes.  1) Box 1 contains 4 Blue and 3 White Marbles  2) Box 2 contains 3 Blue Marbles...

Q: Caleb placed 3 yellow balls and 4 red balls in a row. How many visually distinct rows are possible? ...

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Q: Maths CA A sample of 364 items is taken from a production line and weighed. The sample mean and stan...

A: Given: μ = 92.8 σ = 18.85 n = 364