1.) Find the Pr(0.45

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Q: How many students whose scores are within 90 to 110

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A: a) Define a random variable X, that is the length of life of automobile battery.

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A: what is the probability that Milhouse goes longer than a month without a smilefrom Lisa

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A: Let is define some events A : aircraft is present in the range. B : aircraft is not present in the r...

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Q: What is E(e Y = 1)?

A: First we have to obtain the conditional PDF of X given Y = y to find the required expectation.

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Q: operator meets his production quota, what is the probability that he (or she) attended the program? ...

A: here define events operator meet the production quota = M training attended by operator = T here for...

Q: A bag contains 10 red marbles, 10 white marbles, and 6 blue marbles. You draw 4 marbles out at rando...

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

A: Given  ŷ=18+0.25X  x=40, y=32   

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A: Find the estimate of β and variance of estimate of β  

Q: Teachers' Salaries in North Dakota The average teacher's salary in North Dakota is $35,441. Assume a...

A: Let X be the random variable from normal distribution with mean (μ) = $ 35441and standard deviation ...

Q: 8. A Random Variable X can take only two values, 1 and 2: P(1) = 0.8 and P(2) = 0.2, Calculate the E...

A: Let X be the random variable having probability mass function is,  X 1 2 P(X=x)  0.8 0.2 the...

Q: 13 14 15 16 17 18 P(x) 0.08 0.23 0.23 0.28 0.15 0.03

A: Given data is  x 13 14 15 16 17 18 P(x) 0.08 0.23 0.23 0.28 0.15 0.03

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A: We have given that  Sample size n =22 Population proportion p=56%=0.56  

Q: beats beats Suppose that pulse rates among healthy adults are normally distributed with a mean of 80...

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Q: V find The Sample space for The experiment of throuing a Pink dicechce and define The event Er with ...

A: Solution

Q: in the table below, determine the value of P(X = 7) to three (3) decimal places. Hint: What is one o...

A: We have given that  Probability distribution.  X P(x) 5 0.367 6 0.156 7 a=?  

Q: A bag contains 4 green balls and 6 white balls. If 2 balls are drawn simultaneously at random, what ...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

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Q: According to a recent survey, the salaries of entry-level positions at a large company have a mean o...

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Q: A university found that 40% of its students withdraw without completing the introductory statistics ...

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

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Q: QUESTION 6 Two discrete independent random variables X and Y can take values 0 and 1 only. Fill in t...

A:     X=0 X=1 P(Y=y) Y=0 0.1 0.3 0.4 Y=1 0.2 0.4 0.6 P(X=x) 0.3 0.7 1  

Q: 4. FIND P(1<X < 8). 5. WHAT IS P( 3 < X < 8)?

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

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three su...

Q: (a) Find the probability that the number picked is between 6 and 10. (b) Find the probability that t...

A: here given continuous probability distribution curve

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

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A: Clue is a board game in which you must deduce three details surrounding a murder. In the original ga...

Q: QUESTION 3 r=0%, Lisa wants to borrow 100 to open business. Revenue is random y=100 with prob 1/2 an...

A: r=0% P=100 Y1=100 &amp; p(y1) =1/2 Y2=200&amp;p(y2)

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Q: Find the probability that in five years' time : (a) both machines will be performing a usual functio...

A: Here Given two machines A and B  And  Probability their preforming usual in 5 years time P(A)=14=0.2...

Q: There is a p(x1) = 0.4 probability to observe x1 = 10 and p(x2) = 0.6 probability to observe  x2 = 5...

A: We have given that  X 10 5 P(X) 0.4 0.6

Q: Systolic Blood Pressure Assume that the mean systollic blood pressure of normal adults is 120 millim...

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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: Suppose that we have a fuse box containing 20 fuses, of which five are defective. If 3 fuses are sel...

A: Given that  Total fuse=20 Defective fuse=5 3 fuse chosen at random 

Q: A drum contains 4 black balls, 5 red balls and 6 green balls. If 5 balls are selected at random, fin...

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Q: a certain game involves tossing 3 fair couns and it pays 22 cents for 3 heads, 9 cents for 2 heads a...

A: Given that  certain game involves tossing 3 fair couns   it pays  22 cents for 3 heads, 9 cents for ...

Q: A certain product was found to have two types of minor defects. The probability that an item of the ...

A: Let A be the event of getting first type defect  Let B be the event of getting second type defect  P...

Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation o...

A: Obtain the Z-score for the random variable that X equals 70. The Z-score for the random variable tha...

Q: Explain the Figure below

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