The temperature X at which a thermostatically controlled switch turns on has probability density function (x) 59 s x 61 2 elsewhere Find E(X ) and V(X).

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A: Here use tree diagram 

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Q: Suppose that on a certain messaging service, 4.63% of all messages fail to send. Thus, in a random s...

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Q: Problem 1 Consider the figure below and calculate the following probabilities: (a) P(CJA) (b) Р(BIA ...

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Q: 1. Apply the addition rule, P(mean or median) = P(mean) + P(median) - P(mean and median), to find th...

A: We have given that  P( mean or median ) = 30% = 0.30 P( median ) = 16% = 0.16 P( mean ) = 27% = 0.27

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A: Given Lamda=11

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Q: How many 3-digit positive integers exist that when divided by 7 leave a remainder of 57

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A: We have given that the 5 different sofas, 2 different chairs and 6 different tables.  

Q: A professor gives her class a short multiple choice quiz one day. There are three questions on the q...

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Q: Find the experimental probability of rolling a 2.

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

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Q: Compute the following binomial probabilities directly from the formula for b(x; n, p). (Round your a...

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Q: When do we use z-distribution? A.) when the standard deviation is unknown. B.) when the population i...

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Q: llustration 16.17. The contents of 3 vessels 1, 2 and 3 are as fol- lows: 1 white, 2 red, 3 black ba...

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Q: An experiment involves tossing five coins. How many elements are there in the domain?

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Q: llustration 11.5. Find the standard deviation and coefficient of skewness for the following distribu...

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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)

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Q: Suppose that the frequency table below contains data on female life expectancy at birth in 91 random...

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Q: 1. (i) In a certain population, the force of mortality p, at age x is as follov 0.007, 61 <x < 66, 6...

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Q: 3.) DJ: A disc jockey has 9 songs to play. Five are slow songs, and 4 are fast songs. Each song is t...

A: from the given find ( a)(b) and (c)

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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,...

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Q: Suppose that you toss three fair coins. You get a score of 1 for each coin that shows tails and 1 fo...

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Q: %3D If X-N(50,10), P(X < 60) = ? O 1) 0.841 O 2) 0.159 3) 0.341 O 4) 0.659

A:

Q: Ten honors students, each from a different high school in a county are lined up in two rows of five ...

A: Here AS per note I have calculated A part Here use total arrangement 

Q: II. Solve the problem below. 1. Let X represent the number of times Norman visits an Internet Cafe t...

A: According to the question we have to find E(X) = ? Part(1) : E(X) = ? xi.f(x)                       ...