A blindfolded marksman finds that on the average he hits the target 4 times out 5. If he fires 4 shots, what is the probability of more than 2 hits? 0.5013 0.6607 0.8192 0.7032

Q: Below you will find a research scenarios.  Your task is to identify the proposed analysis and why y...

A: Given information: It is given that the historians are interested to test for the accuracy of eyewit...

Q: A study shows in a certain school that the average number of hours a student answers his/her module ...

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Q: In Yoongi’s drawer, there are 7 identical pairs of brown socks and 9 identical pairs of green socks....

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Q: 2. In a class of 29 students, 15 like Social Studies and 21 like Math. If 14 of them like both Socia...

A: As per our guidelines we are suppose to answer only one question 2)GivenTotal no.of students = 29No....

Q: A probability found by actually performing the experiment is called an __________ probability.

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Q: A recent survey by a market research company found that 56% of all US households have internet acces...

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Q: Data from the latest census show that households in Oaktown have 0 to 5 children. Suppose that a hou...

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Q: The percentage chance that the test will be positive = The probability that, given a positive r...

A: It is a problem of conditional probability.

Q: Find the probability of having 2, 3, or 4 successes in five trials of a binomial experiment in which...

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Q: 5. () Consider the experiment of selecting two cards at random from an ordinary deck of playing card...

A: Given,no.of spead cards=13Total no.of cards=52

Q: When women turn 40, their physicians typically remind them that it is time to undergo mammography sc...

A: Given that,   Breast cancer  No Breast cancer Positive Mammogram 720 6944 Negative Mammogram...

Q: X is a normally distributed random variable with a mean of 60 and a standard deviation of 8. Find th...

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Q: Let p P(Y = 1 |X). Consider the following generalized linear model for binary data: log(-log(p)) = 1...

A: p = P(Y=1|X) Given, log(-log(p)) = 1-X So,  -log(p) = e1-X⇒log(p) = -e1-X⇒p = e-e1-X⇒P(Y=1|X) = e-e1...

Q: who is more likely to attend both activities?

A: here use concept of independent event if A and B independent events then p(A and B ) = p(A).p(B)  

Q: (A psychologist is experimenting with white and black mice which have been divided into 2 groups. In...

A: Let us define some events A : a mouse came from group I. B : a mouse came from group II. E : a white...

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.9 years...

A: Let X be the number of years from normal distribution with mean (μ) = 2.9 and standard deviation (σ)...

Q: Local parents and their children were invited to the grand opening of a daycare center. Each of the ...

A: a) The contingency table is given as follows:   Pencil Cup Magnet Row Total Parent ...

Q: How many different four-character passwords are possible if the first and third character must be a ...

A: The number of letters from A to Z is 26 and the number of digits from 0 to 9 is 10.

Q: By Laws of Expected Value and Variance, determine E(Z) and V(Z) if Z = 4X + 1. A EZ) = 4E(X) + 1 and...

A: It is given that Z=4X+1.

Q: A die is rolled 11 times. Find the probability of rolling the following. Exactly 11 twos. The probab...

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Q: In how many different ways can the director of a research laboratory choose two chemical engineers f...

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Q: Given the numbers 1,3,5,5,7,7,7 a) Find out how many ways the numbers can be arranged. b) Find out ...

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Q: A university class has 27 students: 13 are psychology majors, 5 are business majors, and 9 are nursi...

A: Given that  A university class has 27 students. Psychology majors = 13 Business majors = 5 Nursing m...

Q: (a) List the sample space S. (b) If items are replaced before the next one is selected (with replace...

A: Here sample space is set of all possible outcomes 

Q: Two boys are having an "I spy" contest. They ask a third person to locate and think of a hidden item...

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Q: A certain event is one that will always happen. Its probability is _____. The sum of the probabilit...

A: Farmula used  P(E)+P(Ec)=1   

Q: After rolling a fair twenty-sided die 200 times, the observed (or experimental) probability of rolli...

A: A 20-sided fair die is rolled.

Q: A diagnostic test for disease X correctly identifies the disease 91% of the time. False positives oc...

A: Given data A diagnostic test for disease X correctly identifies 91% of the time. The false positive ...

Q: Identify the level of measurement. (Possible values are listed after the measure.) Whether or not th...

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Q: 3. Let p, q and r be the following propositions: p: The mall is open today. q: Sonny is going to the...

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Q: Which brand should the store eliminate? A. Brand D B. Brand A C. Brand B D. Brand C

A: Given the table shows the number of items of each brand that were returned  over the past year and t...

Q: A2

A: The classical linear regression model (CLRM) is that there is no multicollinearity among the regress...

Q: child diagnosed with neuroblastoma. What are the chances that the child undergoes surgery and is cur...

A: .here given, According to the Children's Oncology Group Research Data Center at the University of Fl...

Q: The probability that a randomly selected box of a certain type of cereal has a particular prize is 0...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: The years of education for self-employed individuals is normally distributed with a mean of 13.4 yea...

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Q: The probability of a successful optical alignment in the assembly of an optical data storage product...

A: Given,P=0.8q=1-0.8=0.2A random variable X~Geometric distribution(p=0.8)P(X=x)=0.80.2X-1    ;   x=1,2...

Q: Application Try for your self: The age of parent that arrive in the emergency room of a certain hosp...

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Q: Let X be a random variable with the following probability distribution. Value x of X P (X=x) 1 0.05 ...

A: Solution-: We have following table: X P(X=x) 1 0.05 2 0.85 3 0.05 4 0.05 We find, (a)...

Q: Suppose three cards are selectếd frôm å standard deck of 52 cards and laid out in a row on a table. ...

A: Given Three cards are selected from a standard deck of 52 cards    

Q: In a certain village sports club, 36 % of members play football, 32 % of members play cricket, and 2...

A: We have given that,  Probability of members play football P(F) = 36%=0.36, probability member play c...

Q: Of 20 rats in a cage, 12 are males and 9 are infected with a virus that causes hemorrhagic fever. Of...

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Q: To lessen the number of non-numerates in private High School, the Mathematics department implemented...

A: We have given that.   X~N( μ , ?^2 )   μ =30.50 , ? =9.50   Z-score =( x - μ )/?

Q: estion 25 Suppose that you are searching for a room for rental at Mankweng until you find a place th...

A: Given: P( finding the right place)= 0.4  

Q: Suppose E, F1, F2 and F3 are events from a sample space S. a) If p(F1)+p(F2 )+p(F3)> 1, is it possib...

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Q: a) How many bit strings of length 9 either begin with 1 Os or end with 3 1s? (inclusive or)

A: Given that - How many bit strings of length 9 either begin with 1 0s or end with 3 1s?

Q: Question 9 Suppose the commulative distribution function of the random variable X is given by 0. if ...

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Q: In how many ways can a comittee of 6 be chosen from 6 administrators and 4 supervisors if all are eq...

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Q: Provost Mark Brodl has recently appointed five different faculty members to decide on important matt...

A: According to rule of combination the number of ways to select r elements from n distinct elements is...

Q: 6. Jordan needs to determine the value of 1.75+ (루리) A. Use the number line provided below to create...

A: We are given a number line which contains set of integers. We have to obtain the direction of moving...

Q: Each of 11 refrigerators of a certain type has been returned to a distributor because of an audible,...

A: Given : Random variable X follws hypergeometric distribution  N=11 K=7 n=6