to use an automated teller machine at a certain bank, you must enter a 6-digit code, using digits 0-9. How many 6-digits codes are possible if repetiotion of digits is permitted?

Q: Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two…

A: Restaurant XRestaurant…

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A: Here, we have a given set and from that we have to choose the minimum numbers to guarantee that the…

Q: Suppose X and Y are random variables with the given joint density function [0.1e-(0.5x + 0.2y) if x…

A: X and Y are random variables with the joint density function:

Q: The conditional probability that event A has occurred, given event B is represented by

A: The conditional probability that event A has occurred, given event B.

Q: The proportion of items in a population that possess a specific attribute is known to be 0.25   a.…

A: Normal approximation is used as sample size n is very large.

Q: 9. A sociologist conducted a study of a sample of 60 students to determine how many of each sex…

A: MaleFemaleTotalSmoke15823Do not smoke201737Total352560

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A: n=20,p=20%=0.20X~Binomial(n=20,p=0.20)Let X be the number of rolling doubles.p be the probability of…

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A: It is needed to find whether the given case is of combination or permutation.

Q: Compute the variance of the following probability distribution. If X is a random variable, then the…

A: kP(X=k)00.210.220.530.1

Q: What is the probability that two or more people in a party with 20 people will have the same…

A: Number of people in the party = 20

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A: 7 green balls3 yellow balls_____________10 total ballsSelect 3 balls at random without replacement.

Q: A box has 40 red 60 blue spheres. Draw 2 spheres without replacement. Afterwards, utilize the…

A: Given information: Red spheres = 40Blue spheres = 60Total spheres = 100

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A: Discrete random variable: Discrete random variable is the variable in which value is countable and…

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A:

Q: Three dice are tossed. The number rolled on each die is recorded. How many outcomes are in the…

A: Three dice are tossed in. The number rolled on each die is recorded.

Q: Let X be a random variable with probability density function Sex 0<x<1 otherwise f(x) = 0

A:

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A: the population mean (μ) is $2663, the population standard deviation (σ) is $506,  the sample size…

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A: As per Bartleby guidelines only three subparts can be answered. Kindly, resubmit the question with…

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A: Consider a random variable  with probability density function is given by,

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A: p value is given

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A: Sample size n =21Standard deviation =0.14NOTE:- According to bartleby guidelines expert can solve…

Q: How many different ways are there to pack six objects into four boxes such that there is no space…

A: Number of objects = 6Number of boxes = 4

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A: Solution-:Given: We want to (a) Identify the null and alternative hypothesis for this test.(b) Test…

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A:

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A: = Sample size = 1000 = Probability of success = 0.125Here is the Mean standard deviation

Q: Discrete random variable) Suppose a grocery store sells 6 containers of skim milk at the wholesale…

A: xf(x)0123456Sum1

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A: a) A box holds 5 red beads and 3 green beads the total number of beads in box ( first draw) We know…

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A: From Restaurant ANo. of accurate orders=338No. of not accurate orders=70sample…

Q: To compare the mean lengths of time to recovery after two surgical procedures I and II, 10 patients…

A: To check whether there is any difference in the mean recovery time after surgical procedure I and…

Q: A baseball player has a batting average of 0.23. What is the probability that he has exactly 7 hits…

A: Suppose a random variable x, defines that the number of hits by the baseball player.

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A: 25 random samples of size 100 for inspected rooms have been provided.One sample z proportion test…

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A: In a standardized test, the outcome of interest is typically whether a student passes or fails the…

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A: The following solution is given below

Q: 12. A soft drink dispensing machine has to be adjusted if the variance of the contents o² exceeds…

A: The claim is that the variance of contents  exceeds 1.05 squared milliliters.

Q: (a) (b) (c) f (x) = c exp (- 6x) x > 0 - cx, -1 0 S(x)=√(²3)*, x = 0,1,2,...

A: The Probability distribution function of continuous or discrete random variable are given then to…

Q: If the probability of having type AB Blood is 0.516, what is the probability that in a group of four…

A: From the provided information,Probability of having type AB Blood is 0.516 that is p = 0.516n = 4

Q: A manufacturing plant produces light bulbs in three different colors: red, blue, and green. The…

A: Probability of producing a red bulb (P(Red)) = 0.2Probability of producing a blue bulb (P(Blue)) =…

Q: A bag contains 2 and 2 blue marbles. what's the en marbles green probability of selecting two green…

A: From the provided information,A bag contains 2 green marbles and 2 blue marbles.Total marbles = 2 +…

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A: Given , Probability  of the defectives in the lot (defective rate)= 5% = 0.05Probability of…

Q: b. Find probability that the total amount of time required to make an oil change in all cars from…

A: It is given asMean = 35.6Standard deviation = 7.5Sample size = 100

Q: The joint density function for a pair of random variables X and Y is given. (Round your answers to…

A:

Q: let X and Y let V= min (X,Y). Find D L be independ ant L 0.75 050 0.25 1.00 U (0, 1) random…

A:

Q: An insurance company has developed the following table to describe the distribution of automobile…

A: The distribution of automobile collision claims paid during the past year is given…

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A:

Q: 3.A community has 120 sick people and has a hospital with 118 beds for its patients. patients. The…

A: There are 120 sick people in the community.There are 118 beds available in the hospital for…

Q: X and Y independant random variables with square distributions with degrees of freedom respectively…

A: Two independent random variables and are given here that follows the chi-square distribution.The…

Q: There are 2 boxes containing 2 sets of colored balls. The first box contains 5 red balls and 3 blue…

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

Q: Each of 14 refrigerators of a certain type has been returned to a distributor because of an audible,…

A: Note:Hi there! Thank you for posting the questions. As most of the blanks are answered correctly, we…

Q: Claim: A majority of adults would erase all of their personal information online if they could. A…

A: a.The parameter represents the adults that would erase their personal information.