You buy one $10 raffle ticket for a new car valued at $15,000. Two thousand tickets are sold. What is the expected value of your gain? * -$2.5 $2.5 None of the choices -$25.0

Q: How many hands are there containing exactly 1 queen, 1 club, and 2 red cards? (B) Find the probabili...

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Q: Find the probability that 7 cars will come to the car-washing facility during one day. Find the stan...

A: here given, An average of 8.5 cars come to the car-washing facility per day. Assume thatthe number o...

Q: 2. A professor posts the grades for a class using the last four digits of the Social Security number...

A: Here Given Professor posts the grades for class using the last 4 digits of social security Number of...

Q: Using a calculator, solve for the mean and the standard deviation of the given set of data. d. 54, 6...

A: d) Step-by-step procedure to find the mean and standard deviation using TI-84 calculator:  Enter ST...

Q: Show the permutation of a given situation by using a tree diagram

A: Here draw tree diagram 

Q: use a normal approximation to find the probability of the indicated number of voters. in the case, a...

A: Given,n=136p=0.22mean(μ)=npmean(μ)=136×0.22mean(μ)=29.92standard deviation(σ)=np(1-p)standard deviat...

Q: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at rand...

A: A poll is given, showing 70% are in favor of a new building project.   If 8 people are chosen at ran...

Q: A has six shares in the lottery in which there are three prizes and ten blanks. B has two shares in ...

A: Solution is given:

Q: If A, B, and C are sets such that A ∩ B ≠ Ø and B ∩ C ≠ Ø, then A ∩ C ≠

A:

Q: (c) What is the probability that the room is an ordinary-sized room, if this selected room has garde...

A: The probability of an event is the ratio of number of favourable outcomes of the event to the total ...

Q: If A, B, and C are sets such that A ∩ B ≠ Ø and B ∩ C ≠ Ø, then A ∩ C ≠ Ø

A:

Q: 23. It is known that only 60% of a defected computer can be repaired. A sample of 15 computers is se...

A: Let X be the random variable from binomial distribution with probability (p) = 60% = 0.60 and sample...

Q: There are 17 students in the club. How many ways can a committee of at most 3 students be chosen?

A: If we have make committee of three students out of 17 students we obtain possible number of ways by ...

Q: If there are 10 people and only 6 chairs are available, in how many ways can they be seated?

A: 1st person can choose any of the 10 seats. 2nd person can choose any of the 9 seats now available an...

Q: 36. Consider all courtroom trials with a single de- fendant who is charged with a felony. Suppose th...

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Q: Some researchers have argued that the test for diabetes is not accurate. Imagine the test is only 90...

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Q: Two dice are rolled, and the events F and T are as follows: F= {The sum of the dice is four} and T =...

A: It is known that Total possible outcomes in rolling two dice = 36 Possible outcomes for event F = {(...

Q: Suppose that the scores on a reading ability test are normally distributed with a mean of 70 and a s...

A:

Q: A box contains ten cards labeled J, K, L, M, N, O, P, Q, R, and S. One card will be randomly chosen....

A:

Q: A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How many subj...

A:

Q: If n(A ∪ B) = 2n(A), then A and B are equivalent sets.

A: Here use definition of equivalent set

Q: Using an illustration, explain the concept of betting odds

A:

Q: A random variable X denotes the number of consumers in a sample of 300 who favor a particular produc...

A: It is given that X : number of consumers out of 300 who favor a particular product.

Q: Class 10R sat a test. The mean mark for the class was 70%. There are 30 students in class 10R, 20 of...

A: Given: Total student (n)=30Number of boys (nb)=20Mean (μ)=70%Mean for boys (μb)=62%

Q: 10.A car insurance company has determined that 9% of all drivers were involved in a car accident las...

A: Given: Probability of success (p) = 9% = 0.09 Number of drivers (n) = 14 Consider, X be the random v...

Q: To win the MVP race in a basketball league, Matt has to score at least 35 points. A field goal shot ...

A: Let us suppose there are three marbles viz. a red, a white and a blue. From these, there are three c...

Q: In a notched tensile fatigue test on a titanium specimen, the expected number of cycles to first aco...

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Q: What is non probability sampling and explain the types of the same

A: Probability sampling is the sampling technique that allows a researcher to select a sample where the...

Q: 3. You play a game with two six-sided dice. If you roll a sum of 5 or 7, you win P400. If you roll a...

A: if two dice are rolled then the total no. of outcomes = 6*6 =36 (1,1) (1,2) (1,3) (1,4) (1,5) (1,...

Q: Instruction: Justification of the correct answer, explanation, show your solutions   1. Suppose yo...

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Q: The following table shows the weight of students in a class. Student number 01 02 03 04 05 06 07 08 ...

A: (i). Using the table, starting from row 2 and column 1, we select student number 0,8,8,5,1 ( student...

Q: In the experiment of rolling two dice, what is the probability that the sum is not less than 8?

A:

Q: A quality control engineer is in charge of testing whether or not 90% of the DVD players produced by...

A: Introduction: Denote Denote X as the number of DVD players that fail to meet specifications, in the ...

Q: 1. Using a calculator, solve for the mean and the standard deviation of the given set of data. a. 15...

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

Q: , what is the probability of obtaining not more than 2 heads if it is known that the last two tosses...

A: Here use basic probability  Probability of head = 1/2 Probability of tail = 1/2 Here each toss outco...

Q: The probability is 0.4 that a calibration of a transducer in an electronic instrument conforms to sp...

A:

Q: 36. Consider all courtroom trials with a single de- fendant who is charged with a felony. Suppose th...

A:

Q: Nolan surveyed 7 teachers from each academic department at school. Each department has an equal numb...

A: Given: 7 teachers from each academic department surveyed Each department has an equal number of teac...

Q: a. Find the mean and variance of the probability distribution. b. Interpret the mean and the varianc...

A: here given discrete probability distribution of  X=number of android phones

Q: QUESTION 2 a. In the United Kingdom, the probability of recovering from a certain blood disorder 1 i...

A:

Q: Write TRUE if the given situation illustrates combination, otherwise FALSE. 1. Forming a committee f...

A: Permutations are those arrangements where order is important, while combinations are those arrangeme...

Q: The probability that a planted radish seed germinates is 0.80. A gardener plants nine seeds. What is...

A:

Q: Think of 12 face cards from the four suits (four kings, four queens, and four jacks). You draw one c...

A: We have given that 12 face cards from the four suits ( 4 kings, 4 queens, 4 jacks ).

Q: Analyze and accomplish the experiment below. a. Toss five 5-peso coins 20 tímes. Record the outcome ...

A: When a coin is tossed, the possible outcomes are {Head, Tail}. We have to toss five coins 20 times. ...

Q: b. 10 people echange greetings at a business meeting. How many greetings are exchanged if everyone g...

A: We have given that 10 people exchange greetings at a business meeting.   Note: According to Bartleby...

Q: Jill and Pete come to the bookstore and each of them can buy one English-Chinese dictionary with the...

A:

Q: The score on a standardized test for a certain year is modeled using the normal distribution shown b...

A: It is given that the mean is 56.7 points and the standard deviation is 4.8 points.

Q: The variance of a discrete probability distribution can be calculated using the formula: H=Ex.p(x) T...

A: We know that  E(x)= ∑X.p(x)E(x2 ) = ∑X2.p(x)Variance =?2 = E(x2 ) - [E(x)]2 Where μ= E(x)

Q: Generate 900 samples of size 400 random numbers from Beta distribution with shape parameters a = 0.6...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: A restaurant randomly chooses to discount one of the 20 items on its menu as a daily special. All it...

A: Given that  Let X denotes the number of days until chicken pot pie get discount today  And  A restau...