Qn1.Distinguish between probabilistic and non probabilistic sampling 7:50 AM

Q: Discrete Probability: Explain the key characteristics of a hypergeometric distribution.

A: Introduction:  Hypergeometric Distribution: A discrete random variable is said to follow hypergeomet...

Q: Answer the question, considering an event to be "unusual" if its probability is less than or equal t...

A: Since you have posted multiple questions, we are answering the first question.  

Q: Discrete Probability: Each person in a class of 15 students was asked to secretly write down their c...

A: Given, Each person in a class of 15 students was asked to secretly write down their choice of a card...

Q: Then: (a) The probability that a randomly chosen student from the class got B is (b) The probability...

A: Here Given  Total Number of students=1+3+8+7+6=25  

Q: Q4. The data in the table below shows a distribution for the marital status of adults living in a pa...

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Q: A local bakery makes wheat bread. The number of grains of wheat in the bread is normally distributed...

A: Let X denote the number of grains of wheat in bread. Given that X follows N(mean = 11.4, SD = 1.3), ...

Q: Assume A and B are independent events with P(4)=0.2 and P(B)-0.5. Let D be the event that exactly on...

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Q: 20 athletes are entered in a race in the top three will be awarded gold first silver 2nd and Bronze ...

A: GivenNo. of athletes(n)=20No.of prices(r)=3

Q: List all the possible outcomes and determine the values of the random variable in each of the follow...

A: Given that  Two coin are tossed  Z be the random variable of tails occurs 

Q: It is desired to locate a control on a machine. The control will be located right in front of the wo...

A: Proper positioning is a very important decision to be made in order to include most of the workers. ...

Q: Let X1, X2, . , X, be independent Bernoulli random variables where the probability that X; = 1 equal...

A: Solution

Q: QUESTION 13 In the video game Animal Crossing: New Horizons, you can also catch different kinds of b...

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Q: QUESTION 3 Events A and B are such that P(A)=0.4, P(B)=0.5 and P(AU B)=0.7. What can then be said ab...

A:  We have given that P(A) = 0.4 P(B) = 0.5 P(A∪B) = 0.7

Q: In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 with a standard ...

A:  Given that.   X~N( μ , ?^2 )   μ=28    , ?=4   Z-score =( x - μ )

Q: A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the...

A: Probability : The probability of an event is defined as the ratio of the number of favorable cases t...

Q: A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. What per...

A: ,We have given that.   X~N( μ , ?^2 )   μ= 5.1    , ?=0.9   Z-score =( x - μ )/?

Q: Given that z is the standard normal variable (with mean 0 and standard deviation 1), find (4 decimal...

A: As per our guidelines we can solve first three sub part of question and rest can be reposted. Soluti...

Q: Let {N_1(t)} and {N_2(t)} be two independent  Poisson processes with rates λ1=1 and λ2=2, respective...

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Q: Use the following information for the next 3 questions. The random variable x is the number of books...

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Q: The thickness of a conductive coating in micrometers has a density function of 600x−2 for 100 μm < x...

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Q: Of all customers purchasing automatic garage-door openers, 75% purchase a chain- driven model. Let n...

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other ...

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: 6. In a certain town, 5% of people commute to work by train. If a person is selected randomly from t...

A: here use basic formula of odds

Q: Box 1 contains 2 red balls and 1 blue ball. Box 2 contains 3 blue balls and 1 red ball. A coin is to...

A: The likelihood of having an event occurrence is known as probability. Event is the possible occurren...

Q: . How many are greater than 330 in a group of 3 digit numbers forme d 5 where digit (s) may be repea...

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Q: Recorded here are the germination times (in days) for twenty randomly chosen seeds of a new type of ...

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Q: Discrete Probability: A package contains ten yellow, six green, eight purple, and nine red candies m...

A: Given:  No of yellow candies =10  No of green candies=6  Nonof purple candies=8  No of red candies=9...

Q: How many ways are there to form a subset of [n] of size k with the property that each selected numbe...

A: Subsets are a part of one of the mathematical concepts called Sets. A set is a collection of objects...

Q: 4. Calculate the expected values E(X), E(Y) and the variances Var(X), Var(Y).

A:  Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only f...

Q: "One-fifth of the students at the school are taking a science class this semester." • "A quarter of ...

A: The probability of an event is computed by taking the ratio of number of favourable outcomes to tota...

Q: A data scientist tracked how many cups of coffee she drank every day at work over the course of a ye...

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Q: In the Math Club, 6 of the 22 girts are seniors, and 6 of the 19 boys are seniors, What is the proba...

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Q: In a deck of Uno cards, there are 76 number cards, 24 action cards, and 8 wild cards. If you select ...

A: It is given that Number of number cards = 76 Number of action cards = 24 Number of wild cards = 8 To...

Q: The national average SAT score for verbal and math is 1028. Assume a normal distribution with standa...

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Q: Evaluate 4C1 + 4C2 + 4C3 + 4C4

A: Evaluate  4C1+4C2+4C3+4C4 nCr=n!/(r!(n-r)!)

Q: How many passwords can be formed using the letters "L, i, o, n" and the digits 2, 0, 1, 9"

A: Here use combination 

Q: A Construct the probability distribution for the random variables described in each of the following...

A: Probability is the chance of occurrence of an event. 

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: First, find the probability mass function f(x). f(x) = {} (Type an ordered pair. Use a comma to sepa...

A: A game is played using a four-sided wooden top, with one of four letters on each face, A, B, C, or D...

Q: Discrete Probability: A spinner has equal sectors. Three sectors are blue, two are red and four are ...

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Q: your Suppose one of these kinds of fish is caught at random. Determine each of the following and hun...

A: We have given that the information in cross tabulation. The total number of fish are 42.

Q: A game is played using a four-sided wooden top, with one of four letters on each face, A, B, C, or D...

A: Given Information: Consider X as the amount of token won by the player that can take the values (-1,...

Q: Find the corresponding area between z=0 and draw the graph. z= 3.00

A: Let Z follows N(0,1). We will use Std. Normal table to find the required area.

Q: Question 4 The probability density function (p.d.f.) for the mortality of a jellyfish at age a is gi...

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Q: n how many ways can the names be arranged? ot all the arrangements of names in part (a) could be sun...

A: Definition  A combination is a grouping of outcomes in which the order does not matter The number of...

Q: Discrete Probability: What are the key characteristics of a uniform distribution?

A: Uniform distribution : In statistics, an even distribution may be a distribution perform within whic...

Q: You want to examine N people to see if they have a certain disease. The obvious alternative is to an...

A: You want to examine N people to see if they have a certain disease. Probability of an individual hav...

Q: In an experiment, college students were given either four quarters or a $1 bill and they could eithe...

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

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three su...

Q: One die is rolled. List the outcomes comprising the following events: (make sure you use the correct...

A: Given : One die is rolled  We need to list the total outcomes comprising the event. Let Event denote...