1. Given the PMF of C: c = 1,2 Pc(c) = {1 c = 3, 4, 5 O other wise Find the expected value E[C] and standard deviation of C.

Q: What, then, is the chance that there will be a need for exactly 2 ambulances on the said highway, du...

A: It has been observed that the average number of traffic accidents requiring medical assistance on th...

Q: can i get help with numbers 21 and 22

A: Given Information: A fair six-sided die is rolled twenty times. 21) The objective is to find the pro...

Q: Data from a survey of customers are on an ordinal scale (1 to 7) regarding satisfaction with the ser...

A: Given a situation, we have to identify which statistical test is used here and also explain the test...

Q: CNNBC recently reported that the mean annual cost of auto insurance is 958 dollars. Assume the stand...

A: Given,mean(μ)=958standard deviation(σ)=150sample size(n)=83

Q: According to records, the amount of precipitation in a certain city on a November day has a mean of ...

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Q: How many 4-digit numbers can be formed from 1, 2, 3, 4, and 5 if no repetition is allowed?

A: Given : Numbers = 1,2,3,4 and 5

Q: Suppose that the Cumulative distribution function (CDF) of the random variable X with parameter 0 > ...

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Q: class of 14 boys and 16 girls . What is the probability of choosing a boy from a class

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Q: Verify Property 2 of the definition of a probability density function over the given interval. 1 f(x...

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Q: Polychlorinated biphenyl (PCB) is among a group of organic pollutants found in a variety of products...

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Q: Xavier and Yolanda both have classes that end at noon and they agree to meet every day after class. ...

A: It is the basically question of probability density function  The Probability Density Function(PDF) ...

Q: P(x) X*P(X) X-μ X-u)^2 [X-J^2] *PX) 0.48 3 0.36 4 0.11 0.05 2. LO

A: Given that : X values and their probability is given here  By using expectation rule to find mean an...

Q: 5. A tricycle initially has six passengers and stops at different establishments in the city. If eve...

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Q: P(X) X*P(X) X-u (X-u)^2 [X-))^2]*P(X) 0.48 3 0.36 4 0.11 0.05 LO

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Q: For a class activity, a teacher put students into teams of 5. The teams were made up of 2 students r...

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Q: Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 73m...

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Q: Mr. W wants to divide a class of 20 students into 5 groups of 4 for a.same task. In the class, Peter...

A: Given 20 student divide into 5 groups of 4 for a same task Find How many ways are there to group the...

Q: 1. It is hypothesized that there are fluctuations in norepinephrine (NE) levels which accompany fluc...

A: The scatter plot is used to represent the relation between two variables graphically. If the data po...

Q: 2. Let n = R and 3 = Borel set of N. Does P given as: For each interval 1, let 1 1 dx, P[I] = S, n 1...

A: For a function to be a probability measure three things needs to be checked                         ...

Q: How many ordered sequences are possible that contain four objects chosen from thirteen?

A: According to the given information in this question We need to find the value P( 13,4)  

Q: IQ scores: Scores on an IQ test are normally distributed. A sample of 17 IQ scores had standard devi...

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Q: A researcher wishes to estimate the 90% confidence, the population proportion of adults who think co...

A: For the given data M.E =0.02 ,alpha =0.10 (A) what is the minimum sample size needed assuming that n...

Q: A card is randomly drawn from a deck of well-shuffled playing cards. Let event E be that the card is...

A: no.of ace cards=4no.of king cards=4Total no.of cards=52Let E be the event that the card is an aceF b...

Q: Joe, a DOH COVID-19 tracker, found out that the number of infected persons of COVID-19 in seven low-...

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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: If one of these individuals is selected at random, find the probability that the person is (a) exper...

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Q: Find Probability that, a person who test positive has disease.

A: here from given information define events  person have disease   =A test positive = B  

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

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

Q: In the given graph, What is the mean and standard deviation?

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Q: Which counting method should you use to find the compound probability? Explain.   What is the tota...

A: here given, The math club needs to choose four people for a committee to represent it at the school ...

Q: The odds against your be gain?

A: Given that,The odds against your bet on a ball game are 5 to 3If you bet $60 and winHow much money w...

Q: Find Probability that, a person who test positive has disease.

A: here define events person have disease = D test result positive  = T  

Q: Find the indicated probabilities: a. P(5sxs7); µ=6; 0=2 ANS: b. P(10sxs16); µ=15; 0=4 ANS: c. P(7sxs...

A: Here we have to find the indicated probability for each of the following  

Q: Which of the following statement is not true? A) Bounded feasible regions have both a minimum and a ...

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Q: There is a very popular lottery in which a ticket is called a scratcher. In this lottery, 47% of the...

A: Solution: Given that: p= 0.47 Population proportion  n= 7 Sample size   

Q: The results of a nationwide aptitude test in Mathematics are normally distributed with μ=80 and σ=15...

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Q: Find the probability mass function of X, then solve for its expected value, variance ,and standard d...

A: here toss a pair of dice so total outcomes = 36 X = maximum of two dice shown here use basic probabi...

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

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

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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: Use the table to find the probabilities that a person's total charges during the period are the foll...

A: We want to find the probability  P(2000<X<2999)=? 

Q: Four cards are drawn from an ordinary deck of 52 cards. Find the probability that (a) all cards are ...

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Q: Let X be a random variable with distribution function F(x) = 1-e*,x > 0, then the p.d.f of X is O e*...

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Q: The tensile strength of paper is modeled by a normal distribution with a mean of 36 pounds per squar...

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Q: An urn contains 6 red and 8 blue marbles. Five marbles are drawn at random from it without replaceme...

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Q: For the following system, write down the expression for system reliability:

A: Here probability of failure qi for block i probability of block i work = 1- qi

Q: Fill in the blanks: The life expectancy of a brand of light bulbs is normally distributed with a mea...

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the f...

Q: Question 6 A recent survey showed that 14% of men would likely develop prostate cancer at some point...

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Q: Find the indicated probabilities: a. P(5sxs7); µ=6; 0=2 ANS: b. P(10sxs16); µ=15; 0=4 ANS: c. P(7sxs...

A:   Given problem Given that   a) P( 5 ≤ x ≤ 7 ) μ = 6 σ = 2 Then, = P( [ 5 - 6 ] / 2  ≤ [ x - μ ] / σ...