Let X be a random variable such that P(X) = 0.25 for x = 1, 2, 3, 4| .What is |P(5) ?

Q: 6.25 Suppose that the random variable z has a standard normal distribution. Sketch each of the follo...

A: by using online calculator

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Q: Female Male Total Short Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100         a. Total Probabilit...

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Q: Topic: Probability using Permutations and Combinations A Math class consists of 14 girls and 15 boy...

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Q: 3. Determine the area under the normal curve which isto the left of z 2.78and show this graphically.

A: As per company guidelines I solved only First questions ..thank you 

Q: Teacher Tutorial Rate(in thousand)x A 12 C 16 D 20 24 F 28 SHOW YOUR COMPUTATION: (handwritten) 1. S...

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Q: Suppose P(A) = 5 and P(B) = 3 and A and B are independent. What is P(A and B)?

A: It is given that P(A)=0.5 and P(B)=0.3.

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A: We have given that the sample space  S = { 1, 2, 3, 4, 5, 6 }.

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Q: How many ways can Susan assign someone to buy​ beverages, someone to arrange for​ food, and someone ...

A: Here Given  Susan Has 9 Friends   (Vicki, Luis,​ Maddy, Hank, Rob, Sean, Marie, Roy, and Jeanne)

Q: Write clear please

A: Given

Q: he standard normal distribution is also called normal curve. he mean of a standard normal curve is 3...

A: We have given that.   X~N(0, 1 )   , for standard normal distribution.    μ =0  , ? =1   Z-score =( ...

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Q: A master’s student, Mr Nkandimeng Ledwaba’s task this semester is to contact the Research Office a...

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Q: Let X be a uniformly distributed continuous random variable from 0 to 1. Let Y=-In(1- X). Find the p...

A: X is a uniform distribution continuous random variable from 0 to 1. PDF of X is given by, f(x) = 1if...

Q: Please answer all. Thank you. A 95 percent confidence interval for the mean can be interpreted mean ...

A: We have give that the statement 95% confidence interval for the mean can be interpreted   

Q: B. In how many ways can 2 red beads, 3 blue beads, 2 yellow beads, and white beads be arranged in a ...

A: Given: Red beads= 2 Blue Beads = 3 Yellow Beads =2   5). Therefore by circular permutations, since t...

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Q: A. Complete the table. Express your answer up to decimal places. S 6 90 82 75 10 -1.3 78 84 -2 69 3 ...

A: The formula to compute the z-score is: z=X-X¯sWhereX=Raw scoreX¯= Means=Standard deviation

Q: It has been determined that an individual belonging to a particular age group spends on average $187...

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Q: The temperature Y at which a thermostatically controlled switch turns on has a probability density f...

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Q: Example 4.2. Suppose the joint distribution of X and Y is given by 1 P(X = x, Y = y) 42 (z + y°) [1,...

A: Solution

Q: A letter is randomly selected from the word COMPUTER, Find the probability that the letter is 2 A le...

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Q: sh to test Ho : p2 0.5 vs. Hị:p<0.5. e hypothesis that Candidate A will not loose the election). Con...

A: *Answer:

Q: Teacher Tutorial Rate(in thousand)x A 8. 12 16 20 B C D 24 28 SHOW YOUR COMPUTATION: (handwritten) 1...

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Q: Two fair dice are rolled at the same time. If a random variable X denotes the sum of the numbers in ...

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Q: Please answer all thank you. Consider the probability mass function describe. X 1 2 3 4 5 6 7 8 P(X=...

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Q: When does the union of two events occur? A. Both event A and event B occur B. Either event A or even...

A: We have to determine the union of the two events. Note : Since you have asked multiple questions, we...

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Q: Round your answers to 4 decimal digits.  Thirteen electronic components from a manufacturing proces...

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Q: Please answer all. Thank you. How do we compute the length of a confidence interval? A.) All of thes...

A: Formula : Length = 2 * ME

Q: An electric firm manufacture light bulb that have a length of life that is approximately normally di...

A: We have given that.   X~N( μ , ?^2 )   μ =800 , ? =40   ,n=16   Z-score =( x - μ )/?

Q: Let X be the number of tails that turned up when two fair coins are tossed. What are the possible ou...

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Q: a. Given a random sample of 70 resistors, what is the probability that its mean is between 218 N and...

A: HERE GIVEN, mean = 220 standard deviation = 11   here use central limit theorem  

Q: In how many ways can 8 people be seated in 8 adjacent seats in a​ theater?

A: In how many ways can 8 people be seated in 8 adjacent seats in a​ theater?

Q: MALE FEMALE TОTAL Network 1 Network 2 31 38 69 17 14 31 ТОTAL 48 52 100 What is the probability of g...

A: We have given that the survey about student’s favourite tv network in tabulated form.

Q: b. Dis A short quiz has four multiple-choice questions, cach with 5 answers (a, b, c, d, e). Donna h...

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Q: Previous A local county has an unemployment rate of 6.4%. A random sample of 19 employable people ar...

A: Let X be the random variable from binomial distribution with probability (p)= 6.4% = 0.064 and sampl...

Q: Fuel consumption tests are conducted for a particular model of automobile. If a 98% confidence inter...

A: From the provided information, Standard deviation (σ) = 2.6 Confidence level = 98% Margin of error (...

Q: complete solution pls A bag contains 5 red, 4 white, and 6 blue marbles. Two marbles are drawn with ...

A: A bag contains 5 red , 4 white and 6 blue marbles.total marble=5+4+6=15two marbles are drawn with re...

Q: Q2. Determine the number of times a fair coin must be tossed so that the probability of the ratio of...

A: Let us denote the number of tails as X and the total number of tosses is n. p^=x/n When fair coin wa...

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Q: In a shoot out in a hockey competition, a player scores on 80% of his shots. a) What is the probabil...

A: A random variable X~Geometric distribution(p=0.8)q=1-0.8=0.2

Q: A certain type of storage battery lasts one the average 3.0 years with a standard deviation of 0.5 y...

A: Let X be the random variable from normal distribution with mean (μ) = 3.0 and standard deviation (σ)...