From a standard deck of playing cards, one card is selected at random. What is the probability of getting the following? the card selected is a heart or a king O 4/13 0.308 0.3077 O 0.31 O.308 O.31 O.3077

Q: An attendant at a car wash is paid according to the number of cars that pass through. Suppose the…

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Q: Cash Transaction No Check Total Check Make The given table indicates the transactions for one teller…

A: Required probability is P(make some other transaction| cashed a check)

Q: 2 Let ξ be an N(µ, σ2)-random variable where µ ∈ R is the mean and σ > 0 is the standard deviation.…

A: From the given information,  ξ be an N(µ, σ2)-random variable. fξ=1σ2πe-12ξ-μσ2 1. Consider,…

Q: 4 3 5 2 7 6 8 25. What is the intersection of events, A N B? A. A NB = {3,4,7} B. A NB = {1,2,3,4,…

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Q: In a new card game you start by paying 56.01 dollars. From a well shuffled full deck of cards draw 3…

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Q: . In how many ways can five books be arranged on a shelf? В. 220 '. How many three-letter…

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Q: Problem 2: Consider the following cash flows M -10,000 -$10.000 -$10,000 $6000 $3500 H $5000 2 $2000…

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Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: X: the leading brand of powdered milk in the philippinesX~Binomial(n,p)where n=14…

Q: Between the hours of 2 and 4 p.m. the average number of phone calls per minute coming into the…

A: For the given data using poisson distribution Find the probability

Q: 29. What is the probability of getting ace or king in a deck of 52 cards? В. A. 13 C. 13 D. 12

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Q: Identify the distributions of the random variables with the following moment- generating functions…

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Q: 4. Let X1, X2, X3, X4 denote the variables bill length, bill depth, flipper length and body mass,…

A: x1 x2 x3 x4 bill_length_mm bill_depth_mm flipper_length_mm body_mass_g   y1 y2 3x1+2x2…

Q: Compute for the best point estimate. HEIGHT (in inches) OF 12 GRADE 7 STUDENTS Jinyoung 70 Jun 72…

A: The data includes the height of 12 students in grade 7. The objective is to compute the best point…

Q: Reading proficiency: An educator wants to construct a 99.8% confidence interval for the proportion…

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Q: is the probability that all books within the same subject will be adjacent?

A: here total books  6+5+4+3 = 18  here use total arrangements

Q: Show complete solution One bag contains 6 white balls, 3 red and 4black balls, and a second bag…

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Q: The average depth of the Hudson Bay is 305 feet. Climatologists were interested in seeing if the…

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Q: 1. A medical laboratory test ensures with a probability 0.95 the detection of COVID- 19, when the…

A: P( ill/positive )=?

Q: 15%of patients in a clinic have Covid-19. 50 percent of the clinic’s patients are hypertensive.…

A: The probability that an event occur is computed by taking the ratio of number of favourable outcomes…

Q: A tire manufacturing company encourages its employees to promote a zero-accident environment by…

A: Given data: Shift Dangerous Conditions Employee Error Total Morning 5% 32% 37% Mid 6% 25% 31%…

Q: 2) Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and the…

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Q: a) Find the marginal pdf's of X1 and X2 b) Are X1 and X2 independent? Why or why not? c) Find P(X1 <…

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Q: b. What is the probability that a customer will spend more than 15 minutes in the bank given that he…

A: Let X amount of time one spends in a bank is exponential distribution  X~exp(1/10)

Q: The probability that a given tourist goes to the amusement park is 0.47, and the probability that…

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Q: 3. A hydraulic rework shop in a factory turns out seven rebuilt pumps today. Suppose three pumps are…

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Q: A committee of five students is to be selected from a group of six females and four males. There…

A: Probability is calculated as the ratio of the number of cases favorable to an event to the total…

Q: In is required to seat five men and four women in a row so that the women occupy the even places.…

A: Given that  In is required to seat five men and four women in a row so that the women occupy the…

Q: If contracted with a novel coronavirus infection, the probability that a person will die is 0.001.…

A: Given,n=8000p=0.001

Q: Out of 800 families with 4 children each, what percentage would be expected to have no girls? Assume…

A: From the provided information, There are 800 families with 4 children each. The probability of girl…

Q: You are an econometrician working in the Ministry of Finance in Trinidad and Tobago and using a…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use the given frequency distribution table, estimate the following: Class boundaries Frequency (f)…

A: Data given  Class Frequency 11 - 16 3 16 - 21 5 21 - 26 7 26 - 31 9

Q: Heather has a very important exam to take in he morning. Since she wants to be sure to that she will…

A: Let A be the event to set the first clock B be the event to set the second clock  P(A)=0.95,…

Q: The following are the result of the survey made by the quality control department in a certain…

A: see the attachment...........

Q: MO21. Many cardiac patients wear an implanted pacemaker to control their heartbeat. A plastic…

A: Given that, Population standard deviation is 0.0207 Sample size is 77 Sample mean is 0.36 The given…

Q: 13. P(M|L) 14. P(F|S) 15. P(S|F)

A: Given that    Long hair = L Short hair = S Male = M 3 7 Female = F 36 4

Q: The lifetime, in years, of a certain type of electrical switch has an exponential distribution with…

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Q: The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each…

A: Given that - The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members…

Q: Between the hours of 2 and 4 p.m. the average number of phone calls per minute coming into the…

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Q: ACTIVITY 2. Show your complete solution The mean number of broadsheet copies sold at a stand is 80…

A: Given that  X~N(μ= 80 , σ= 4 ) μ= 80 , σ= 4 Formula for Z-score Z=(X-μ)/σ Note: According to…

Q: The probability that the lady of the house is home when the Avon representative calls is 0.55. Given…

A: According to the given information, we have Given that the probability that the lady of the house is…

Q: 3.) CHALLENGE: You discover a piece of art that you believe may be an original de Kooning, with 10%…

A: The expected price of the art piece is $17.2mm   Expectation of a random variable is sum of the…

Q: expected profit of 1 percent of the amount it would have to pay out upon death. Find the annual…

A: here take C = premium expected profit  = 1% of 200000 = php 2000 p(die during the year ) = 0.02 x=…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Givenmean(μ)=0standard deviation(σ)=1

Q: suppose that the weights of cats are normally distributed with an unknown mean and a standard…

A: Note: According to bartleby experts question answers guidelines an expert can solve only first three…

Q: 1 3 11 4 5 -2 9. x-3-1 6 y 19 14 12 16 and standard deviations for x and y are given below The 2=…

A: X: -3, -1, 6, 3, 1, 0, 2, 4, 5, -2 Y: 19, 14, 2, 7, 11, 12, 9, 4, 3, 16 Then,  We will find the…

Q: Let X1,..., Xn be a random sample from a uniform distribution on [0, 1], where 0 < 0 < 1. 1. Find…

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Q: Seven-letter words are formed using the letters of the word BLACKER. How many in which E follows K?…

A: Given 7 letters are, B, L, A, C, K, E and R. Here, the letter E follows K. That is, E and K are…

Q: Given P(An B') = 0.25, P(A) = 0.48 and P(B) = 0.42. Find P(A n B). Is A and B mutually exclusive…

A: (1) Let A and B are two events The known probabilities are,

Q: 12. Imagine that the proportion of all e-mails in our training data that are spam is .62, and the…

A: From the given information, the proportion of the emails spam is, P(Spam) = 0.62. The proportion of…

Q: find the probability that a potential client will invest in neither cryptocurrency nor life…

A: Let us define some events A : a client invests in cryptocurrency. B : a client invests in life…