Two cards are drawn at random from a pack of 52 cards.what is the probability that either both are black or both are queen?

Q: Suppose that the test score of a student taking the final of a probability course is a random…

A: Given that the test score of a student taking the final of a probability course is a random variable…

Q: The manufacturing of semiconductor chips produces 5% defective chips. Assume that the chips are…

A: given data  P(defective) = p = 0.05 n = 500 x = no. of defective chips we use normal approximation…

Q: A pair of dice are rolled and the total is recorded. If this is done ten times, what is the…

A: Method: By using the Binomial probability distribution to find the probability

Q: max (a) A structure consists of 100 column footings. Suppose the settlement of each footing is…

A:

Q: From past records, a store finds that 26% of people who enter the store will make a purchase. 18…

A: The probability of successes is 0.26. The sample size is 18. We have to find the probability that…

Q: The telephone prefix for a university is 408. The prefix is followed by four digits.…

A: Given There are 10 options for each of the 4 spots,

Q: A pair of dice is rolled. Find the probability of rolling a sum not less than 6

A: roll a fair of dice P(sum not less than 6) = ? roll a single dice : outcome : {1,2,3,4,5,6] total…

Q: . Paper cards numbered 1 to 10 are placed on a table in a row, in a random order. What is the…

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Q: Suppose P(E₁ E₂) = 0.46, P(E2 E1₁) = 0.92, and P(E₁) × P(E₂) =0.41. Determine P(E₂), giving your…

A: It is given that  P(E1/E2) = 0.46 P(E2/E1) = 0.92 P(E1)*P(E2) = 0.41

Q: Exercise 1. In a chess tournament, two players A and B play against each other, until one of the…

A: Given information: Player A and B play against each other until one of the players wins a total of 5…

Q: certain type of door lock has five buttons labelled 1, 2, 3, 4, 5.   It allows the owner to choose a…

A: A certain type of door lock has five buttons labelled 1, 2, 3, 4, 5. Each code is a 4-digit code,…

Q: 62% of all violent felons in the prison system are repeat offenders. If 31 violent felons are…

A: Please note that as per our guidelines if multiple questions are posted we can answer the first one.…

Q: (d) The first two random numbers for arrivals are 55 and 12. The first two random numbers for…

A: From given data we have : Time second customer finish transaction (Arrival random number = 55,12 and…

Q: A tax specialist has estimated that the probability that a tax return selected at random will be…

A: Given,P(a tax return will be audited)=0.04

Q: The following table shows the results of a survey of students taken at MPC (hypothetical). prefers…

A: Given data is    Prefers face to face courses Prefer online courses full time students 292 274…

Q: possible to get the following results: (a) 4 queens (b) No face card (c) Exactly 2 face cards

A: by bartleby policy i can gives only 3 subparts at a time  Total cards = 52 to be chosen = 5 and…

Q: A customer calling a call center spends an average of 45 minutes on hold during the peak season,…

A: Given Mean=45 Standard deviation=12

Q: “I didn’t study for my statistics quiz, so I randomly guessed on three multiple-choice questions…

A:

Q: Question 12 In a certain communications network the probability of an error in a single bit is…

A: Given that, In the communication network the probability of an error in a single bit is 5×10-3. Need…

Q: A reporter for an international newspaper is given an assignment that is randomly chosen from the…

A: GivenNo.of United states assignments=13No.of south American Assignments=15No.of European Unin…

Q: Three houses are available in a locality. Three persons apply for the houses. Each applies for one…

A:

Q: Mean entry-level salaries for college graduates with mechanical engineering degrees and electrical…

A: Given Information: Mechanical engineers: Sample size n1=25 Sample mean x¯1=$46142.20 Sample standard…

Q: what is 20% of 150 is what number

A: Solution-: What is 20% of 150 is what number?

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given the random experiment that rolling an ordinary six-side die once and then toss a coin.

Q: Suppose we have the experiment of forming a random binary code consisting of 4 characters. Let X be…

A:

Q: Find the variance of the weekly price changes of each

A: From given data we have : Insurance Stock  (x)           0.3          1.8            0           0.…

Q: A water bottle manufacturing have two major flaw components. Let enote the number of flaws on the…

A: From the given joint density table, The total frequency is,…

Q: Major League Baseball's World Series is a maximum of seven games, with the winner being the first…

A: It is required to generate random numbers from a uniform distribution with a mean value of 0 and a…

Q: Note: In this problem set, the notation C(n, k) is used for the combination "n choose k." Alternate…

A: The formula to calculate the 'combination' is given by, C(n, k) = n! /[k! ×(n–k)!] Where, n = total…

Q: Q13. In a bet, you have 40% probability of losing $15. What should the potential winnings from such…

A: From. The above data  We are given that the  n= 15 P = 0.40

Q: Find the mean and standard deviation of a normal distribution that approximates t binomial…

A:

Q: Suppose P(E₁ E2) = 0.46, P(E2|E₁) = 0.92, and P(E₁) × P(E₂) =0.38. Determine P(E2), giving your…

A: Solution

Q: Suppose 500 lottery tickets are sold, and among them, 200 pay at least the cost of the ticket.…

A: There are 500 lottery tickets sold, out of which 200 pay at least the cost of the ticket. The…

Q: At the bakery, a box of cookies is made by selecting four cookies from the six types of cookies –…

A: It is given that Total number of cookies n = 6 Number of cookies to be selected r = 4

Q: Consider the following observations on a receptor binding measure (adjusted distribution volume) for…

A: Given sample of 13 healthy individuals : 22,40,41,42,43,48,51,58,62,66,67,70,71

Q: The Weather Underground reported that the mean amount of summer rainfall for the northeastern US is…

A: The sample size is 10, sample mean is 7.42 and sample standard deviation is 1.3.

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3 0.2 and 0.1…

A: Given,P(A student will receive 'A' grade)=0.4P(A student will receive 'B' grade)=0.3P(A student will…

Q: A nail is needed to hang up a 50 lb painting on a wall. A technician has two nails in his pocket,…

A: Suppose a random variable x defines the number of nails meet the specific weight of the painting.

Q: Among a bank’s 214 customers with checking or savings accounts, 189 have checking accounts, 73 have…

A:

Q: A license plate is to consist of two letters followed by four digits. Find the number of license…

A: Given,no.of letters=26 (A to Z)no.of digits=10 (0 to 9)

Q: A tram company runs two tram routes from station P to station Q. The first route is a direct tram,…

A: Given problem Given that   A train company runs two tram routes from station P to station Q.  The…

Q: Two dice are rolled. What is the total number of all possible 36 O 12 06 O 66

A: two dice are rolledtotal number of all possible outcomes =?we know that dice has 6 side…

Q: A marketing company reported that the typical American spends a mean of 140 minutes per day…

A: Computational Table:   X (Xi-Mean) (Xi-Mean)2   72 -103.27 10664.00   144 -31.27 977.60…

Q: Exercise 4 Given a shuffled, 52-card deck, what is the probability of being dealt 5 cards, all of…

A:

Q: C a. State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho.) Choose the…

A: It is given that Level of significance = 0.05 P-value = 0.0232

Q: By means of Venn diagrams prove the theorem A - B = An B.

A:

Q: In a seismic hazard analysis, the magnitude of the earthquake (Richter's scale) is modeled with a…

A:

Q: Formulate the null and alternate hypotheses for the following situations. (That is, identify the…

A: It is needed to define the appropriate null and alternative hypotheses.

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given that an ordinary six-sided die rolled then a coin is tossed.