20. Judgmental sampling is a form of convenience sampling in which the population elements are selected based on the judgment of the researcher O True False

Q: the probalities that bimbim's game store sells 10, 15, 20, 25, 30 game cards daily are 0.3, 0.25,…

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Q: My class intervals were 4.5-4.4, 4.4-4.5, 4.5-4.6, 4.6-4.7, 4.7-4.8, 4.8-4.9 Is this not correct?

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Q: A pair of fair dice is rolled. Let X be the random variable representing the sum of the numbers that…

A: The sample space for rolling a pair of dice is, S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2)…

Q: 5. The number of credits being taken by a sample of 13 full-time college students for a AMA semester…

A: The number of credits being taken by a sample of 13 full-time college students for a semester are…

Q: 1.) When three coins are flipped, what are the probability of getting * two tails and one head?___…

A: As per our guidelines we are suppose to answer only one question. if a coin is tossed 3 times than…

Q: hat is the probability of getting heads when flipping a coin

A: When we have coin there are two equally possible outcomes. Head or tail

Q: Sergio estimates that his probability of passing Phys Ed is 0.9 and his probability of passing…

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Q: Suppose you have the opportunity to place a bet on an NBA playoff game. On Friday, June 11th, the…

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Q: 3. A random variable that can be used to find a 0.954 confidence interval for u, the mean of the…

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Q: Kennel 1: 6 Labradors, 2 Huskies, 3 Great Danes Kennel 2: 5 Great Danes, 2 Labradors, 4 Huskies…

A: Given problem Given that   Kennel 1 : 6 Labradors, 2 Huskies, 3 Great Danes Kennel 2 : 5 Great…

Q: (a) Determine the mean of X. (b) Determine the variance of X. (c) What is P(X< 4.0)? A M F M pla

A: It is given that the X has a continuous uniform distribution over the interval [2.2, 5].The pdf of…

Q: A personality preference test was used to classify a sample of 406 randomly selected people from…

A: The total number of people is 406.

Q: Ex9: Let X be a continuous uniform distribution over the interval [2.4; 5.2]. Find the mean and…

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Q: Each member of a random sample of 19 business economists was asked to predict the rate of inflation…

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Q: A teacher wants to determine which factors can significantly predict academic performance in…

A: Regression Analysis: A regression is helpful in forecasting a factor using one or more factors. For…

Q: irst column on the histogram not be at a frequency of 3? Would you please now answer the remaining…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: In a game of luck, given a standard deck of cards in choosing a card, you will be rewarded…

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Q: ution to d please

A: There are 2 Players A B The dice have 4 faces {1, 2, 3, and 4} All the outcomes are having…

Q: he slope and y-intercept to the nearest thousandth. Grades on Midterm and Final Exams Grades on…

A: Given the equation of the regression line, ŷ = bo+b₁x.

Q: 3 f(x)=x² [2,4] 56 What is Property 2 of the definition of a probability density function? OA. The…

A: Solution

Q: Let X-N(0,1); show that X member in exponential family.

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Q: like no matter how strange an event is, someone wants to know the probability that it will occur.…

A: Probability  Events are organised in ascending order i.e. least likely to most likely.

Q: a. What is the lowest rating you should give to an "exemplary" employee if you follow the…

A: HERE GIVEN,  Almost all companies utilize some type of year-end performance review for their…

Q: Part 1 of 3 Explain the steps you take when you calculate the probability for P(Z > #) using a…

A: First of all, to find the value of P(Z &gt; #), look at the sign of #, whether it is -ve or +ve. If…

Q: Two cards will be drawn one after the other from a standard deck of card. Event A represent a heart…

A: Given that two cards will be drawn one after the other from a standard deck of card. Event A…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

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Q: In a random check on an assembly line, the probability of finding a defective item is 0.005.…

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Q: 2. An emergency committee consisting of 12 health's officer staffs is chosen from 10 doctors and 12…

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Q: A bowl contains twelve batteries of which four are new, five are used (working) and three are…

A: Note: In case of multiple subparts, answer to first three subparts will be provided. Kindly post…

Q: 6. The rates of on-time flights for commercial jets are Department of Transportation. Recently,…

A: Binomial distribution is a type of discrete probability distribution.

Q: 9. One merchant has seven Asava horses (A), a second has nine Haya horses (H), and a third has ten…

A: Given, One Merchant has seven Asava horses (A), a second has nine Haya horses (H) and third has ten…

Q: A group of students at a high school took a standardized test. The number of students who passed or…

A: Independent events :  The event A and B are independent if  P(A|B) = P(A)

Q: hat is the probability that their third daughter is their sixth child?

A: here given , a couple decides to have children until they have three daughters  Probability of male…

Q: Ex8: Assume that the current measurements in a strip of wire follow a normal distribution with a…

A: Assume that the current measurements in a strip of wire follow a normal distribution.

Q: Let random variable X be uniformly distributed on the interval [-T, π]. We define random variables Y…

A: Solution: From the given information, X follows uniform distribution with parameters a = ­π and b =…

Q: atural red hair consists of two genes. People with red hair have two dominant genes, two regressive…

A: (a): 5+25+30+7+20/1000  87/1000  0.087  (b): 25+7/1000  32/1000 0.032

Q: Ex11: Suppose that the log-ons to a computer network follow a Poisson process with an average of 10…

A: Let T denote the time between two successive counts. It is given that Average count per minute λ= 10

Q: A leisure ice rink in a recreational centre has public skate for 24 minutes, skating lessons for 27…

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Q: Ex3: The diameter of a particle of contamination (in micrometers) is modeled with the probability…

A: I solved exactly first three subparts because of bartleby policy if you want more please upload…

Q: Problems 1. Consider an database server designed to handle a maximum of 15 transactions per second.…

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Q: . A random student will be selected from the College of Engineering. The number of male (B) and…

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Q: A businessman has two meetings in a day. The first meeting has a 65% chance to make a sell, and he…

A: Given information: n1=15000p1=0.65n2=35000p2=0.35

Q: A waiting-line system that meets the assumptions of M/M/1 has A-1,p-4. For this system, what is the…

A: Given data A waiting line system that meets the assumptions of M/M/1  has λ=1 and μ=4

Q: i) Calculate an approximate 98% confidence interval with a conclusion for the true proportion of…

A: here given  a few universities and found that 592 out of 1200 students have problems with their…

Q: For the following problems let p(x) = C(2x - x²). a. Find the value C so that p(x) is a probability…

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Q: From a deck of 52 cards (Ace, 2, 3…….10, Jack, Queen, King; with each one having  clubs or flower,…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: 8) The owner of a car wash shop noticed that on normal days there are 4 cars that enter the shop at…

A: The following information has been given: It is given that 4 cars enters a shop in one hour ( 60…

Q: Consider a car repair factory. The number of customers who arrive for repairs follows a Poisson…

A: Arrival rate = 4 per hour  Service time = 10 minutes = 6 per hour

Q: Use the following information to answer the next question. A committee of 3 people is to be randomly…

A: Probability is calculated using the favorable cases and the total number of cases. Probability takes…

Q: A group of students at a high school took a standardized test. The number of students who passed or…

A: P(pass)=65+37/65+37+28+14               =102/144                =0.7083 P(male)=65+28/65+37+28+14…