Q: If the inter-quartile range of the group of number 0,3,7,17,30,x,51,70,is 41.5 find the value of x.    (asume the group of number are arranged in asending order)

Q: ENTRY CARD Compute the variance of this frequency distribution. Score Number of Students 3 8 10 4. 1...

A: For the given data Find Mean =? Variance =?

Q: e: Coin FLIP an have a two probable outcomes, which are heads and tai say that when we flip a coin, ...

A: *Answer:  Chi-square test : Chi-square test helps to determine the significant difference between th...

Q: 10.44% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults....

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Q: Determine the mean, E(X), and variance, V(X). Ro

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Q: Consider the density function (kVx, f(x) = 0, 0 < x < 1, elsewhere. Evaluate k.

A: Given function is f(x)={kx                0&lt;x&lt;1 0                    elsewhere    

Q: 4 2 The probabilities of X, Y and Z becoming managers are and respectively. The 9. 3 probability tha...

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Q: A rifleman gets 3 hits out of every 10 shots on the average. Assuming that the probability that he g...

A: given;X: number of shots hitX~binomial(n,p)  where n=100 and p=310=0.3binomial(n,p)~N(μ,σ)      wher...

Q: ANSWER THE FOLLOWING QUESTIONS WHEN TOSSINGA DIE, WHAT IS THE PROBABILITY OF GETTING 1. A ZERO and 2...

A: When a die is rolled then the sample space isS={1,2,3,4,5,6}n(S)=6

Q: What is the probability of getting exactly two Heads in a single throw of three coins?

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Q: 3 Find P (A/B) and P (BIA), show 4 3 Given P(A) = , Р(B) and P(B A) =. 8. %3D whether A and B are in...

A: GivenP(A)=38P(B)=58P(B∩A)=34

Q: units Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are normal...

A: Given that  Mean of TSH level=3.2 unit/ML  We have to find the standard deviation such that 98% have...

Q: A teacher wants to estimate the mean time (in minutes) that students take to go from one classroom t...

A: Given; confidence interval [8.20, 9.80] i.e. [x¯-E, x¯+E]

Q: I. Let X be the number of courses that thirty part-time students were taking this term. The probabil...

A: In statistics, the continuous variables are variables whose values can be given by an interval, they...

Q: 6. Let {Sn : n > 0} be a simple symmetric random walk with So = 0, and let T = min{n > 0 : Sn = 0}. ...

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Q: )A bag contains 25 marbles of the same size that are yellow, green, and purple. The probability of p...

A: Given that A bag contains 25 marbles of the same size that are yellow, green, and purple. The probab...

Q: Note for this In each row 4 decimal places In final answer 2 decimal places P(X) 10 30 Prghabily 30 ...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: In how many ways can we pick 2 books so that the following two constraints are both satisfied: (1) ...

A: We have 12 books in total.3 books are coloured red,4 books are coloured green, and5 books are colour...

Q: 3. Katie rolls a 1-6 number cube twice. What is the probability she will roll an odd number and then...

A: Probability : Probability is defined as the favorable outcome divided by number of outcomes . The pr...

Q: Counting technique: At the cafeteria, Edan has a choice of three soups, four types of sandwich, and ...

A: From the provided information, Edan has a choice of three soups, four types of sandwiches, and two d...

Q: Consider the following logistic regression outcome. Coef. SE Coef. Constant -1.5514 0.2661 DaysBeer ...

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Q: 1. Find each of the following percentile points under the normal curve 1. P97.5 2. P25 3. Ps

A:   Given problem Given that   1) P 97.5 Using the Standard normal table or z table or excel Let x be ...

Q: A sample analysis of examination results of 500 students was made. It was found that 220 students ha...

A: Given that  We have to conduct the chi square test for the claim that the data are commensurate tha...

Q: A backpack is on sale for 25% off. After the discount is taken, a 7% sales tax is applied. If the or...

A: Given that - A backpack is on sale for 25% off. After the discount is taken, a 7% sales tax is appli...

Q: andom sample selected from the above population yielded the following data: 500 525 425 445 280 490 ...

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly rep...

Q: Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tell. What is the...

A: Answer- Given Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tel...

Q: A movie production company is releasing a movie with the hopes that many viewers will return to see ...

A: Given , Sample size = n = 150 Number of people who said they would see the movie again = x = 78 Samp...

Q: According to a census, the number of household size in a certain city was represented by a random va...

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Q: The number of telephone calls at a call center follows a Poisson distribution. Assume that on averag...

A: 1) It is given that the mean is 10 calls per hour.

Q: 1. Calculate the expected value of the consumption prize in each lottery. 2. Calculate the variance ...

A: Consider two lotteries. Lottery A is such that an individual receives a prize of 1.25 units of a con...

Q: Given the following information about events A, B, and C, determine which pairs of events, if any, a...

A: given,P(A)=0.58,  P(A|B)=0 P(B)=0.32,  P(C|B)=0.63 P(C)=0.63,     P(A|C)=0.58

Q: Meg wants to grow a tomato plant next year. She decides to build a square planter and put it on the ...

A: She decides to build a square planter and it's sides are 18 inches long.  Let's a denotes the side's...

Q: eBook Consider the following exponential probability density function. Correctly for x 20 If needed,...

A: Using the exponential distribution find the given problems

Q: Box A contains 20 red marbles and 30 blue marbles. Box B contains 10 white  marbles and 47 black mar...

A: List the given values, Box A :  Red marbles (R) = 20 Blue marbles (B) =  30 Total  marbles in Box A ...

Q: Question 1 A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10...

A: Given,Total no.of chips=20no.of non conforming chips=10

Q: 3. A continuous random variable, Y, has the probability density function (pds) f (y)={<g, if ocy<l o...

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Q: The margin of error for the middle interval which captures 95% of the means from samples of size ? =...

A: Now consider the textbook expense of all IUPUI students.  The mean and variance of textbook expense ...

Q: If the coefficient of correlation between two variables is -0.71, then the percentage of variation u...

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Q: Imagine that a different researcher looks at these results and disagrees with them, arguing that hap...

A: Hello thankyou for the question, According to our honor code can answer only one question at a time....

Q: A bowl of raffle tickets contains the numbers 1 through 70. What is the probability that a randomly ...

A: Here Given Total Number of tickets in Bowl = 70 Total Numbers between 1-70 divisible by 8 = 8 ( 8,16...

Q: Suppose there are 5 questions in an exam paper, find the number of ways in which a student can attem...

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Q: HbA1c levels were obtained from patients with diabetes mellitus in a certain clinic. A level that is...

A: We have given that  Sample size n =18 Population mean =7 Degree of freedom =df = n - 1

Q: Suppose that one in six smartphone users have fallen prey to cyber-attack. We use a sample of 218 sm...

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Q: Here, X is the sample mean of X, ... ,Xp. ( a) Show that Σ(Χ, - X)" Σχ)-ηX? (b) Show that E(E X) = n...

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Q: Gabriel has 4 black socks, 6 red socks and 2 blue socks in his drawer. If he  randomly takes 2 socks...

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Q: Please select those sentences that concern subjective, or epistemic, probability The probability tha...

A: Subjective Probability: The subjective probability of an event is defined as the probability of occu...

Q: individual chooses a number from 1 to 10. What is the probability that the number is even? Write you...

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Q: To choose 3 letters from the word MATHBOXES, how many combinations are there? 2) From the word SECON...

A: Here use combination 

Q: 6. The University of Montana ski team has 15 entrants in a men's downhill ski event. The coach would...

A: 6) The number of entrants in men’s downhill ski event is 15.

Q: 1. In a group of 40 people, 10 are healthy and every person the of the remaining 30 has either high ...

A: Given,n(A)=15n(B)=25n(A∪B)=30n(S)=40

Q: The weight of people in a small town in Missouri is known to be normally distributed with a mean of ...

A: Given Information: μ=176 σ=29 Sample size n=17 Let X denote the weight of people. Based on the conce...