What is the probability of winning a lottery in which you must choose 4 numbers from the numbers 1 through 15? a. Assuming that order is unimportant. b. Assuming that the order matters. a. What is the probability of winning assuming that order is unimportant? (Type an integer or a simplified fraction.)

Q: player is randomly dealt a sequence of 13 cards from a standard 52-card deck. All equences of 13…

A: a) The probability that the 13th card dealt is a King is the same as the probability that any…

Q: Gabriel and Lucia took a road trip across the country. The room costs, in dollars, for their…

A: According to the given information, we have Data set: "…

Q: In nutrition, the recommended daily allowance of vitamins is a number set by the government to guide…

A: The recommended daily allowance is then defined as the mean plus 2.3 times the standard deviation.

Q: According to AAA, the price of a gallon of regular, unleaded gas across gas stations in North…

A: Let X be the price of a gallon of regular, unleaded gas across gas stations in North Carolina is…

Q: expected value of the number of points you get when you play this game.

A: You roll a four-sided die with numbers 1 to 4. If it is an even number, you lose 5 points and the…

Q: 13. What is the probability that a randomly chosen point will fall within the shaded area? The…

A: We know that for a circle the area of sector is given as: Area of sector=θ360×π×r2Here we have θ=60,…

Q: A card is drawn from a​ well-shuffled deck of 52 cards. Find the probability that the card is a…

A: There are 26 black cards in the deck (13 spades and 13 clubs), and there are four 5s in the deck (5…

Q: Solve correctly please. (Gpt/ai wrong answer not allowed) A particular fruit's weights are normally…

A: population mean μ=634 grams and standard deviation σ=24 gramsLet X denote the weights of fruitsand…

Q: (Type an integer or decimal rounded to the nearest tenth as needed.)

A: Let X be the random variable from normal distribution with mean (μ) = 125, standard deviation (σ) =…

Q: For many years, businesses have struggled with the rising cost of health care. But recently, the…

A: sample size (n) = 900p^ = 0.5895% ci p.

Q: A3 Let X₁,..., Xn be independent and identically distributed random variables with E(X₂) μ and…

A: Let X1, X2, . . . . . , Xn be independently and identically distributed random variables with EXi=μ…

Q: Seventy-eight independent messages are sent from an electronic transmission center. Messages are…

A:

Q: On a certain test, the mean is 100 with a standard deviation of 15. The results come very close to…

A: According to the given information, we have Mean = 100 Standard deviation = 15

Q: Subtract 10 from each item in the given sample, and compute the mean and standard deviation of the…

A: We have given that,  19, 13, 49, 19, 28, 26, 48 After subtract 10 from each sample then the new…

Q: Three-sided die. On any roll of this die, the result is 1 with probability 1/2, 2 with probability…

A: As per our guidelines I can solve only first 3 subparts . Kindly post the remaining subparts again…

Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1200…

A: Solution-: Given: μ=1200,σ=100 We want to find P(light bulbs last between 1100 hours and 1300…

Q: t 10 from each item in the given sample, and compute the mean and standard deviation of the new…

A: Data 19, 13, 49, 19, 28, 26, 48 Now subtracting 10 in each item 9 3 39 9 18 16 38  Sample size n =7

Q: The annual premium for a $20,000 insurance policy against the theft of a painting is $350. If the…

A: Given Annual premium=$20,000insurance policy against theft=$350The probability that will be stolen…

Q: Let X denote that number of years I will use my current computer, and Y the number of years that I…

A: X 1 2 3 Total Y 1 0.05 0.16 0.19 0.4 2 0.10 0.13 0.12 0.35 3 0.07 0.10 0.08 0.25 Total…

Q: Standard Normal Curve Areas (page 1) The column under A gives the proportion of the area under the…

A:

Q: A study of juvenile delinquents shows that 60% come from low-income families, 45% come from broken…

A: A study of juvenile delinquents shows 60% come from low-income families 45% come from broken homes…

Q: Linear Regression Application, Interpolation and Extrapolation Use the data and story to answer the…

A: In this case, the independent variable is thousands of automatic weapons (x) and the dependent…

Q: a) What are the sample standard deviations? SA = (Do not round until the final answer. Then round to…

A: We have two data set XA: 9,5,8,4,8  XB: 8,4,5,8,3,5,2 To find sample standard deviations of data set…

Q: The stem-and-leaf display represents scores achieved on a 100-point biology exam by the 32 members…

A: According to the given information, we have The stem and leaf is given.

Q: Jorge has a box with different colors of tubes of paint. In the box, there are 7 tubes of blue…

A: Solution:-   To determine which event is more likely, we need to calculate the probability of each…

Q: You spin the spinner once. 7 6 4 % 5 What is P(not prime)? Write your answer as a percentage.

A: Answer:- The possible outcomes of the given spinner is {4 , 5 , 6 , 7} and all outcomes are equally…

Q: Suppose that a distribution of 300 items has mean 115 and standard deviation 4. Find the z-score of…

A: Given, mean (μ) = 115 standard deviation (σ) = 4 x = 121

Q: A club with 20 women and 17 men needs to form a committee of size six. How many committees are…

A: No.of women=20 no.of men=17

Q: Suppose a hospital wants to evaluate the effectiveness of a new treatment for a certain disease.…

A:

Q: Assume that a normal distribution of data has a mean of 16 and a standard deviation of 3. Use the…

A: Here Given  Mean = μ = 16 Sd=σ = 3

Q: Planet X has 160 calendar days. What is the probability that in a room with 17 inhabitants of Planet…

A: The number of days on planet X is 160. There are 17 inhabitants of planet X in a room. All 160…

Q: 1. Create a question for yourself based on Bayesian probability, Draw the main tree. i. ii. iii. iv.…

A: Let H represents the hypothesis and D represents the data. Therefore the tree diagram is: The main…

Q: Suppose that an experiment consists of picking at random a binary string of length six. Consider the…

A:

Q: Let U and V be independent random variables, with the probability density functions S/2 s> 1 { Find…

A:

Q: Suppose X has a normal distribution with mean 125 and standard deviation 15.  Which of the following…

A: Mean=M=125, Standard deviation=S=15

Q: A single card is drawn from a standard deck of cards. Find the following probabilities. A face card…

A: From the provided information, A single card is drawn from a standard deck of cards.  Total cards =…

Q: but isn't the expectation alpha times beta rather than alpha divided by beta?

A: In this question, alpha is shape and beta is rate parameters.

Q: Suppose a bag contains the four letters of the word ROOM. If you take one letter out at a time and…

A:

Q: Assume that a normal distribution of data has a mean of 16 and a standard deviation of 3.Use the…

A: Population mean =16  Standard deviation =3  We have to find the percentage of values lies

Q: The fraction of the population that will receive adequate amounts of vitamins under the given plan…

A: In nutrition, the recommended daily allowance of vitamins is a number set by the government to guide…

Q: there are three MCP , two DPP and one UTM members of parliament in a room. A committee of 2 members…

A: MCP-MCP MCP-DPP MCP-UTM DPP-MCP DPP-DPP DPP-UTM UTM-MCP UTM-DPP UTM-UTM…

Q: A pair of dice is rolled. Find the probability of rolling a) a sum not more than 5, b) a sum not…

A: From the provided information, A pair of dice is rolled. Total outcomes = 36

Q: The odds that E will occur are shown below. Find P(E). 6:7 P(E)= (Type an integer or a simplified…

A: The odds that E will occur = 6:7

Q: A magazine identified the following five "maintenance" activities often performed by people as…

A:

Q: Two samples are given. Find each sample's a) standard deviation and b) coefficient of variation.…

A: Sample  A : 2,6,3,8,9 Sample  B : 8,10,10,3,5,3,7

Q: Given below is a bivariate distribution for the random variables and y. f(x, y) x Y 0.2 0000 0.4 50…

A: A bivariate distribution for a random variable x and y:- f(x,y) x y 0.2 50 80 0.4 20 40 0.4…

Q: A group of students at a high school took a standardized test. The number of students who passed or…

A: It is required to fill the blanks and comment regarding the independence of the events.

Q: When guessing the birthdays of two friends, getting exactly one right, if you know the first friend…

A: you know the first friend was born in a leap year and the second friend wasn’t. Assume birthdays are…

Q: The time it takes a CPU to process a certain type of job is normally distributed with mean 25…

A: Solution-: Given: n=16,μ=25,σ=2 We want to find P(s2>4)=?

Q: find the probability that the student receives: No offers At most two offers Between two and four…

A: let  X denotes the number of job offers the student receives out off the five firms she applied to.…