• Question 4 If n 400 and p (p-hat) 0.9, construct a 99% confidence interval. Give your answers to three decimals

Q: 4.) Determine the range and standard deviation of 60, 58, 62, 67, 48, 51, 72, 70

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Q: The random vector (X,Y) has joint pdf 0<y <x < 0 elsewhere fxv (x, y) = Cee %3D %3D (a) Find C (b)…

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Q: Let X be a random variable that takes on values between 0 and c. That is, P(0 < X < c) = 1. Show…

A: Solution-: Given that x be the continuous random variable that takes values  between 0  and c i.e.…

Q: The table gives a set of outcomes and their probabilities. Let A be the event "the outcome is…

A: We have given that the probability distribution table. A = The outcome is prime = { 2, 3 } B = The…

Q: 1) Let Xequal the number of typos on a printed page with a total of 100,000 words. Probability that…

A: Let X equal the number of typos on a printed page with a total of 100,000 words. Probability that…

Q: Identify the parameter of interest and the type of error committed in the given example. 2. A…

A: The parameter of interest here in this example is the two different types of medication used in this…

Q: According to a report done by S&J Power, the mean lifetime of the light bulbs it manufactures is 45…

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Q: Formulate the appropriate null and alternative hypotheses in (a) words and (b) symbols in the…

A: See the attachment please.............

Q: Probability

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Q: What is the expected value of this game to you? Should you expect to win (or lose) an amount equal…

A: Here Given for the game of rolling two fair dice And  It is given that Odds against two Even Numbers…

Q: If X is uniformly distributed over (0,1), find the density function of Y = eX

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Q: Mission Hotel has an average of 80 customers per hours arrive the front desk waiting check-in. They…

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Q: A7. Two cards are drawn from a pack of playing cards of 52. Find the probability that both cards are…

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Q: If a committee of 3 is to be chosen at random from a class of 15 students, what is the probability…

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Q: and the r = 0.6241. What is the correlation coefficient for this data set? r =

A: We have given that  The regression equation is  y^ = 70.25 + 54.57x and r2 = 0.6241

Q: Q1/ Suppose a pair of dice is rolled 1- What is the probability that both dice turn up the same ? 2-…

A: We have given two pair of dice rolled.  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6 S={ (1,1) (1,2) (1,3)…

Q: If X is uniformly distributed over (0,1), find the density function of Y = ex.

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Q: A. Suppose four coins are tossed, show all the outcomes and find the probability of getting: 1. two…

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

Q: Gregory buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut butter cookies, 8…

A: We  have given the following   7 chocolate chip cookies,  5 peanut butter cookies  8 sugar cookies,…

Q: q-1 Television viewing reached a new high when the Nielson Company reported a mean daily viewing…

A: Given,mean(μ)=7.89standard deviation(σ)=2.48

Q: Let X be a random variable with probability density function f (x) = } 0, otherwise a. What is the…

A: Given function is f(x)={c(1-x2)             -1&lt;x&lt;10                          otherwise

Q: What type of Index numbers are usually calculated ?

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Q: 1. A company is manufacturing blue jeans at a cost of $9.99 per pair. They plan to put a price tag…

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Q: Consider the pdf shown. Determine (a) the constant b in terms of a. (b) P(X>a). (c) P(a sX S 3a).…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: Describe the key similarity between a binomial and a geometric distribution. O a) both distributions…

A: Since we know that In binomial distribution the probability is same for every trials and each trail…

Q: Q. 7 How do you construct of cost of living index number.

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Q: If X has hazard rate function Ax(t), compute the hazard rate function of aX where a is a positive…

A: 8) We know that if F(x) is the cumulative distribution function of random variable X  Than…

Q: Here is a bivariate data set. y 54.7 71.7 56 32.8 82.5 79.6 49.7 25.4 73.2 88.1 71.4 78.7 81.1 85.8…

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Q: Determine the test score of John in Statistics if he has a z-score of 1.89. (SD = 4, mean = 82)

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Q: 5.) Count Your Money Six people were asked to determine the amount of money they were carrying, to…

A: Find Range = ? Standard deviation =?

Q: (a) A new manufacturing facility is to be built. There are 15 possible sites. A team of engineers is…

A: a) The total number of possible sites is 15.

Q: ix married couples are standing in a room. If 2 people are chosen at random, find the the…

A: Given data, Six married couples are standing in a room which means there are 12 people in a room. If…

Q: Please reply as soon as posible, and please answer all 4 points. If you can write it on a sheet If…

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Q: Example 3 Calculate the mean of the given frequency distribution. Class intervals: 10-20 20-30 30-40…

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Q: A person with normal blood pressure has a diastolic measurement of 75 mmHg, and a standard deviation…

A: Given information- Population mean, µ = 75 mmHg Population standard deviation, σ = 4.5 mmHg Let X be…

Q: 5. Calculate Karl Pearson's co-efficient of correlation. x: 1 2 3 4 6. 7 y: 3 8 19 11 13

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Q: For the following problem, use the 68-95-99.7 Rule to approximate the probability rather than using…

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Q: Give some solving questions, topic is measure of central tendency

A: The measure of central tendency covers the following topic: 1.Mean 2.Median 3.Mode Mean gives the…

Q: 26. How many ways can 9 people be seated at a round table for a banquet? a. 40, 310 b. 40, 320 C.…

A: (26)  We have given that,  Number of people (n) = 9 Then,  We will find the total number of people…

Q: Explain the importance of direct and indirect standardised death rates.

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Q: 25% of American adults are college graduates. Three American adults are randomly selected. If X…

A: Given that  Number of trials n=3 Success of probability p =0.25, q=0.75 X~binomial (n ,p) X denotes…

Q: Here is a bivariate data set. y 37.5 76 33.2 76.1 42.8 79.3 36.4 94.3 52.1 93.3 61.9 106.5 15.2 45.6…

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Q: ) Consider a continous Markov- chain a th two states S={0,13. Assume paremeters are Hhe holding time…

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Q: Sa + bx² The density function of X is given by f (x) l0, 0<x<1 otherwise If E[X] = ², find a and b.

A: Given function is f(x)={a+bx2       0≤x≤10                otherwiseE[X]=35

Q: If the largest of 58 consecutive integers is 529, what is the smallest? Write your answer in the…

A: There are 58 consecutive integers. Largest number is 529. That is 58 th observation is 529.

Q: Balls numbered 1 through 20 are placed in a bag. Three balls are drawn out of the bag without…

A: It is given that Total balls = 20 Number of even numbered balls = 10 Sample size = 3

Q: Classify each event as: Independent (I), Dependent (D), Mutually Exclusive (ME), Inclusive Events…

A: Here we have to identity whether the given events are: Independent (I), Dependent (D), Mutually…

Q: D5) If the hazard is 0.2t + 1 for fish through the years, what is the probability that at least 3/4…

A: The hazard function is h(t)=0.2t+1. The cumulative hazard function is H(t). According to survival…

Q: In a large clinical trial, 397,922 children were randomly assigned to two groups. The treatment…

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Q: 1. If the joint probability distribution of X and Y is given by f(x,y)= **Y, for x=0,1,2,3;y=0,1,2,…

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