A card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card is a red card or a 7. The probability is. (Type an integer or a simplified fraction.) 4 This ques ...

Q: A U.S. government survey in 2007 said that the proportion of young Americans that earn a high school…

A: Solution: Given information: n=100 Sample size p= 0.87 Population proportion.

Q: how to calculate.  P(X= 8) = 10C8*(0.70)8*(1-0.70)10-8 what is 10C8? where does the number come…

A: From the original problem, we have  p = 70% = 0.70 n = 10

Q: Which of the following are true?   Question 5 options:   All chi-square tests are one-tailed…

A: Objective of this question is that which statements are correct choice.

Q: gray. Dave selects a T-shirt at random. What is the probability that Dave will select a gray…

A: Given Dave's wardrobe contains 25 T-shirts, of which 10 are gray.

Q: A committee of 5 students is to be selected from 10 students in a fraternity. a. In how many ways…

A: Given A committee of 5 students is to be selected from 10 students in a fraternity.

Q: Find the expected value of the random variable. X P(x) 2 0.2 3 0.3 What is the expected value? 4 5…

A: Solution

Q: ccording to the National Health Statistics Report, a sample of 360 one-year old boys ad a mean…

A: Given n=360 Standard deviation=5.3

Q: A produce buyer for a juice company is buying apples. He makes a choice of either Oregon, New York,…

A: Let E be an event, then the probability of an event E is given by,  P(Event) = n(Event)/n(S)…

Q: Suppose that if you got in a collision, your claim amount would be around $25,000. You go to an…

A: Introduction: Denote the random variable X as the amount gained by the insurance company in a…

Q: A game is played using one die. If the die is rolled and shows 4, the player wins $10. If the die…

A:

Q: In a hotel, suppose 70% of the rooms have showers and 30% have baths. 20% of the rooms with showers…

A: given data  event A : room have showerevent B : room have bathevent C  : painted blueP(A) = 0.70P(B)…

Q: accordingly. Typed answer only. Please do it fast and good answer. the size of an adult fish is…

A: Given that.   X~N( μ , ?)   μ=12.05     , ?=0.02   Z-score =( x - μ )/?

Q: 1. The following probability distribution of X is given in the following table X 2 3 5 6 7 8 p(x)…

A: Solution-: We have given the following probability distribution table: X 2 3 5 6 7 8 P(X) 1/6…

Q: Q18. Suppose M is a stochastic matrix representing the probabilities of transitions each day.…

A:

Q: Lifetime of a certain hardware is a continuous random variable with density (a) (b) к (K-2 for 0 < x…

A:

Q: A B C Total What is P (B or Z)? Round to 4 decimal places. X 29 69 12 110 100 98 24 222 N 139 88 148…

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Q: Problem #1: Suppose that the random variables X and Y have the following joint probability density…

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Q: A bag contains 2 gold marbles, 7 silver marbles, and 26 black marbles. Someone offers to play this…

A: Here we have given the information, A bag contains 2 gold marbles, 7 silver marbles, and 26 black…

Q: The heights of basketball players, in inches, on two different teams is given in the data. Champs:…

A: Given: n = 15 Formula Used: Mean X = ∑i=1nXin = X1+X2+X3+...............+Xnn

Q: A jar contains 10 red marbles, 6 green marbles, and 13 blue marbles. What is the probability that…

A: Given A jar contains 10 red marbles, 6 green marbles, 13 blue marbles.

Q: A game that draws 4 digits from 0-9 from four separate machines. What is the probability of winning…

A: Given: A game draws 4 digits from 0-9 from four separate machines.     Probability is the number of…

Q: a) The size of the sampling error that comes from a random sample depends on both the variation in…

A: Comment: As per the our company guidelines we are supposed to answer the only one question kindly…

Q: A machine produces rubber balls whose diameters are normally distributed with a mean of 5.50 cm and…

A: From the provided information, Mean (µ) = 5.50 cm Standard deviation (σ) = 0.08 cm X~N (5.50, 0.08)

Q: For the experiment described below, let x determine a random variable, and use your knowledge of…

A: Given information- We have given that a bag contains 4 green balls and 6 white balls. Total number…

Q: In the lottery six numbers are chosen at random from one through 99 (repetition is not allowed).…

A:

Q: Suppose ₁ and ₂ are true mean stopping distances at 50 mph for cars of a certain type equipped with…

A: Given m=8 n=8

Q: A study was done to look at the relationship between number of movies people watch at the theater…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Just by looking at this scatterplot, you'd say the relationship is generally which of the following?…

A: By just looking, we need to find the relationship pattern.

Q: Two computer specialists are completing work orders. The first specialist receives 60% of all…

A:

Q: a shipment contains 14 igneous, 12 sedimentary, and 12 metamorphic rocks. if 8 rocks are selected at…

A: Given  38rocks=14(igneous)+12(sedimentary)+12(metamorphic)

Q: committee of 3 members is selected from a club made up of 22 junior members and 8 senior members.…

A:

Q: At a restaurant, the density function for the time a customer has to wait before being seated is…

A:

Q: A cashier starts the day with $550. There are 100 customers during the day. The amount of money each…

A: The amount of money each customer needs to withdraw from the cashier is a random variable X…

Q: A random sample of packages that were delivered by a company showed that 40% of packages were…

A: It is given that 40% of packages were delayed, 25% of the packages that were on time were…

Q: The time X is takes to reboot a certain system has Gamma distribution with E(X)=2.5 min and Var…

A:

Q: 4.37 Let X be a continuous random variable with probability density f(x) and finite expected value…

A:

Q: The potholes in a long road occur as a Poisson process of rate 4 per mile. In other words, if we let…

A:

Q: A person must pay $5 to play a certain game at the casino. Each player has a probability of 0.12 of…

A: From the provided information, The probability distribution table can be constructed as:…

Q: 1. In a study on the nutritional qualities of fast foods, the amount of sodium was measured for a…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: A certain disease has an incidence rate of 0.5%. If the false negative rate is 4% and the false…

A: Given certain disease has an incidence rate of 0.5%. If the false negative rate is 4% the false…

Q: 4 children. He makes a fast, wrong estimate of the probability of various mixes of boys and girls…

A: Boys girls Mr. Fastwrong's estimation 4 0  1/5 3 1  1/5 2 2  1/5 1 3  1/5 0 4  1/5

Q: Consider a company which has a total population of 100 employees. The company recently conducted a…

A: Given the data of a company that has a total population of 100 employees and the population summary…

Q: A = { 3, 0, 1 } B = { y, x }  what is the cardinality of A x P(B) ?

A: Given that, A = {3,0,1}  B ={ y , x }  Power set of B = {{},{x},{y},{x,y}}  Generally cardinality is…

Q: 2) Simplify the algebraic expression (there is no solving here). 2(x + 12) - x - (3x + 16) + 5

A: It is given that  The algebraic expression is 2(x + 12) - x - (3x + 16) + 5

Q: Nine people (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal, and Ida) are in a room. Five of them stand in…

A: A combination is a selection of items from a group of items, where the order of selection is not…

Q: ou randomly select one card from a​ 52-card deck. Find the probability of selecting a black two or a…

A: given data, select one card from 52 card deckhere total outcomes= 52 cards we have to find out the…

Q: In this regression, which predictor(s) is/are significant? Coefficients: (Intercept) time pub…

A:

Q: Two types of customers (Preferred and Regular) call a service center. Preferred customers call with…

A:

Q: please explain how the problem is solved using normal algebraic expressions. if the solution…

A: Farmula used nCr=n!/(r!(n-r)!) r!=r×(r-1)×..×3×2×1

Q: The price that watermelon farmers get for their watermelons has a normal distribution with unknown…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…