calculate the expected value of X.S

Q: Abigail needs to create a four-digit password to access her voice mail. She can repeat some of the d...

A: Given number 6300  

Q: Explain the Figure below

A: Given information: A bar graph of price and transition probability is given.

Q: 45. A regression analysis yields the line ŷ = 18 + 0.25x. One of the subjects, Mary, has a = 40 and ...

A:

Q: Find the minimum sufficient statistic in the following situations. In order to establish minimality,...

A: Please note that as per our guidelines if multiple questions are posted we can answer the first ques...

Q: A single die is rolled twice. The 36 equally-outcomes are shown in the picture. Find the probability...

A:

Q: Eight coins are thrown simultaneously. Find the chance of obtaining : (i) at least 6 heads, (ii) no ...

A:

Q: lim x - 9 Example 25. X →3 x² - - 5x + 6

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Q: 12.19 Running a Mile. A study of 12,000 able-bodied male students at the University of Illinois foun...

A:

Q: de fined as F(X) = P(X f(t) for – a <x < a. - t<a

A: Here f(t) is probability density function of x.  Where -a&lt;x&lt;a. 

Q: The table shows information from a survey about the resting heart rate in beats per minute (bpm), fo...

A: 1. The number of values corresponding to a class or observation is defined as the frequency of that ...

Q: a) brow a tree diagram for this experimente ba) what is the probability the second marble drawn is g...

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  HERE define events and draw tree diag...

Q: In a five-card poker hand, what is the probability of being dealt exactly one seven and no picture c...

A: Here 5 cards are dealt from 52 cards  It is without replacement model 

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-3 Y=...

A: P(X≤-1, Y=3)=? P(X&gt;3)=? P(X=-4)=?  

Q: The probability of a defective bolt is 2. Find (a) the mean and S.D. for the distribution of defecti...

A:

Q: 3) If there were a 1000 runners in a race, how many of them got a z score of 3 or better for the rac...

A: The z score value is related to normal distribution and it explains that, how standard deviations we...

Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has a = 60 an...

A: Here AS per note I have calculated Q 44 Here use basic definition of Residual 

Q: A company has two machines. During any day, each machine that is working at the beginning of the day...

A:

Q: Belief in UFOS A survey found that 10% of people believe that they have seen a UFO. Choose a sample ...

A: Given,n=15p=0.1q=1-0.1=0.9A random variable X~Binomial(n=15 , p=0.1)P(X=x)=15x0.1x0.915-x   ;   x=0,...

Q: Assume a lottery system, it have 10% winning rates, that only win or not win. Tom  win 11 times afte...

A: Given information: P(Win) = 10% P(Win) = 0.10 P(Not win) = 0.90

Q: Normal distribution is where the mean and median are the same as what? O Z-score Mode Standard devia...

A: Solution-: Normal distribution is where the mean and median are the same as what? (a) Z-score (b) Mo...

Q: How many three-digit odd numbers are possible if the leftmost digit cannot be zero?

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Q: llustration 16.81. Two packs of cards are made up in such a way that the first pack consists of 39 r...

A:

Q: A box contains 17 transistors, 4 of which are defective. If 4 are selected at random, find the proba...

A: A box contains 17 transistors, 4 of which are defective. HERE 4 are selected at random  here it is w...

Q: 45. A regression analysis yields the line ŷ = 18 + 0.25x. One of the subjects, Mary, has x = 40 and ...

A:

Q: Exercise III.4. Suppose that for i i is a random variable R; which is uniformly distribution on [0.0...

A: Given that.      The interest rate obtained in the month i is a random variable Ri, which is the uni...

Q: lustration 12.2. The sale of a commodity in tonnes varied from January 1961 to December 1961 in the ...

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Q: Exercise 5.3 An electronic scale at an automated filling operation stops the manufacturing line afte...

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Q: .311 (Ringers are good.) Next week he plans to .267 throw 350 shoes. Assume that Bill's tosses sat- ...

A:

Q: Using all 1991 birth records in the computerized national birth certificate Center for Health Statis...

A: Given data,Mean μ=3432sd    σ=482

Q: What is the probability of rolling, on a fair dice a number lying between 0 and 7?

A:

Q: three coins are tossed and the random variable z gives the number of tails. Find the range space, po...

A: Given that  Total number of tossed=3 H=Head , T=Tail

Q: Let X be a discrete random variable with the following PMF 0.1 for a = 0.2 %3D 0.2 for a = 0.4 %3D 0...

A: The probability mass function gives the probability at each possible value of a discrete random vari...

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-3 Y=...

A: Required probability is P(X≤-3 , Y≤0)

Q: Under what circumstances should you choose an alternative referencing style? You can choose any styl...

A: First we have to understand the meaning of referencing. Referencing -  Act of acknowledging other's ...

Q: on 16.47. A total of 100 people was surveyed. 60 of them were smokers – 40 being male and 20 being f...

A:

Q: At an Ice Cream shop they have 5 different flavors of ice cream and you can pick one of 4 toppings. ...

A: NOTE- AS PER GUIDELINE  I HAVE CALCULATED FIRST MAIN QUESTION ONLY PLEASE RESUBMIT OTHERS AGAIN

Q: Suppose the grades in a finite mathematics class are Normally distributed with a mean of 75 and a st...

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Q: Pr(A n B) = 0.1 Pr(A) = 0.2 Pr(B') = 0.5 Hence, fill in the intersection table: A A' В B'

A: It is given that Pr(A∩B)=0.1, Pr(A)=0.2 and Pr(Bl)=0.5.

Q: COMPUTATION GIVEN THE PROBABILITY DISTRIBUTION OF AN EXPERIMENT, ANSWER THE FOLLOWING QUESTIONS 1 3 ...

A: We have given that  Probability distribution of discrete random variable x. X 1 3 4 5 8 P(x) 0...

Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has x = 60 a ...

A: 44) Given data,Regression equation isy=32+0.4xRachel has x=60 and y =52If x=60 then the predicted va...

Q: .311 (Ringers are good.) Next week he plans to throw 350 shoes. Assume that Bill's tosses sat- .267 ...

A:

Q: Summarize the difference between an event and a sample space in your own words. Consider the example...

A: Here use basic of sample space and Event 

Q: What is the probability that a green ball is selected from the first box?

A: Here use tree diagram 

Q: r=0%, Lisa wants to borrow 100 to open business. Revenue is random y=100 with prob 1/2 and y=300 wit...

A:

Q: | X*-PCx) Number of Boxes I probability x- P) of breads x PCx) 0.20 0.25 10 15 0.30 20 0.15 0.10 mea...

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Q: You flip a fair coin twice. X is 2 if the first coin is heads and 4 if the first coin is tails. Y is...

A: Probability of a random variable is computed by dividing the frequency by the sum of frequency. This...

Q: The following diagram shows the keypad for an automatic teller machine. As you can see, the same seq...

A: Given:    

Q: Consider a very small barangay consisting of 6 qualified voters. Let us label them A, B, C, D, E, an...

A: a. From the given information, There are 6 voters A, B, C, D, E and F. Voters A, B, C, D already dec...

Q: A convenience store has four available parking spaces. The owner predicts that the duration of custo...

A:

Q: The health center of a small, private university requires students to have appointments for visits. ...

A: