a) If we throw a fair dice 3 times, what is the probability that their sum is 4? b) If we throw a fair dice 4 times, what is the probability of getting 3 odd numbers first and then one even number?

Q: Find the range and standard deviation. The table below gives the number of hours spent watching TV…

A: 1,6,1,9,4,8,1,7,10,2,8,10,3,9,1,9,10,4,4,10,7,7,1,9 sample size(n)=24

Q: ka> 0 and scale parameter o> 0 is given by f(x|a,0) = The Weibull distribution with shape parameter…

A: The distribution is Weibull

Q: A dartboard has 6 equally sized slices numbered from 1 to 6. Some are white and some are grey, as…

A: dartboard has 6 equally sized slices numbered 1 to  6 .  1,3,6 are white coloured 2,4,5 are grey…

Q: (1) P(X=2); (2) P(X>3); (3) P(2≤X ≤5);

A: As per guidelines i have calculated 3 subparts plz repost for remaining with note i need this this…

Q: I am being told that the sample size answer of 384 given to me was incorrect. Is there any way this…

A: 12... Margin of error =0.05 At confidence interval 95% we have to find sample size

Q: A firm buys 500 identical components, whose failure times are independent and exponentially…

A: A firm buys 500 identical components, whose failure times are independent and exponentially…

Q: The dean of the Faculty of Communications wants to create an executive committee of five people…

A: We have given that Number of faculty members(n) = 40 Number of Marketing Engineering career = 8

Q: The failure times of a computer disk drive are exponentially distributed with a mean of 3000 hours.…

A: To find the probability that the repair cost is more than RM800 in one year, we need to consider the…

Q: Problem 2: Suppose a random variable X has expected value E[X] = -2 and variance Var(X) = 4. Compute…

A: Note: As per our guidelines we are supposed to answer only question per post so i am solving first…

Q: HI the answer is inncorrect can you recheck?

A: The stage 3 manufacturing process has probability of being on time P(Stage 3 on time)=0.70. The…

Q: Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year. If the…

A: a) Suppose the random variable x defines the salaries of doctoral students per year.

Q: A given data set is normally distributed and has a mean of 25 and a standard deviation of 3. What…

A: From the provided information, Mean (µ) = 25 Standard deviation (σ) = 3

Q: Let X denote the vibratory stress (psi) on a wind turbine blade at a particular wind speed in a wind…

A: a) To find the probability that the vibratory stress X is between 75 and 173, we need to calculate…

Q: Neighborhood Insurance sells fire insurance policies to local homeowners. The premium is $150, the…

A: Given that Neighborhood Insurance sells fire insurance policies to local homeowners. The premiumThe…

Q: Trudy has a container filled with 57 round push -pins. Of the 57 push-pins in the container, 21 are…

A: There are a total of 57 round push -pins in a container.Number of white push-pins is 21.Number of…

Q: Find a discrete or continuous distribution that has NOT been covered in this course. In 1 page…

A: The objective is to specify a discrete or continuous distribution and describe the distribution in…

Q: Milo will be having a sports camp next summer. 1 of the Coaches is Coach Mark and he will be…

A: Number of basketball balls  n1= 20 Number of volleyball balls  n2=15 Number of randomly selected…

Q: For a nonnegative integer-valued random variable N, show that E[N] = ΣP(N ≥ i) i=1 and E[N(N + 1)] =…

A: For a discrete random variable N, the expectation is defined as EN=∑iiPN=i and EN2=∑ii2PN=i. Also,…

Q: What is the likelihood, based on historical data and current trends, that a randomly selected…

A:

Q: 5.1. Let X be a random variable with probability density function f(x) = {€ c (x − ²³2) 2 < x < 4 0…

A: The probability density of X has the form:  f(x) = c(x - 3x2)2 &lt; x &lt;40otherwise (a). Find the…

Q: For a normal distribution, find the z-score that separates the distribution as follows: a) Separate…

A: standard normal distributionZ~N(0,1)note : area under standard normal curve represents probability.

Q: uppose that the distribution of the lifetime of a car battery produced by a certain car company is…

A: Mean = 1500 hour Variance = 10000 Standard deviation = sqrt(10000) = 100 Sample size = n = 100

Q: Prove the following statement: P(A|B) := (P(A ∩ B)) / ( P(B) ) if able please write it step by…

A: Prove the following statement P(A|B)=P(A∩B)P(B) also write it step by step with some example

Q: A director needs 5 students to fill roles in her performance. 8 students, including Justin and Emma,…

A: In the world of theater, casting is a critical process that determines the individuals who will…

Q: Suppose X₁, X2, · ·, Xn are independent random variables and have CDF F(x). Find the CDF of Y =…

A: To find the cumulative distribution function (CDF) of Y=min{X1,X2,…,Xn}, we need to consider the…

Q: The following table represents the highest educational attainment of all adult residents in a…

A: Given that, A resident is chosen from age 20-29 at random .we have to find probability that they…

Q: The following observations are lifetimes (days) subsequent to diagnosis for individuals suffering…

A: The information provided in the question are as follows :-The sample size  (n) of lifetimes…

Q: A group of people were asked if they had run a red light in the last year where 188 responded "yes,"…

A: The data is defined below as follows:   From the information, given that   Let S denotes the total…

Q: A sales rep for a national clothing company makes 4 calls per day. Based on historical

A: Let X be the number of successful calls each day. X 0 1 2 3 4 P(X) 0.1 0.3 0.3 0.2 0.1…

Q: Management proposed the following regression model to predict sales at a fast-food outlet. y = Bo +…

A: Let, the model is given as- y=β0+β1x1+β2x2+β3x3+e where, x1 denotes the number of competitors within…

Q: A bag contains n marbles, two of which are blue. Hayley plays a game in which she randomly draws…

A: A bag contain n marbles, two of which are blue

Q: In the first quarter of 2013, company A held approximately 34% of the wireless phone market in a…

A: n = 1000 p = 34% = 0.34 q = 1 - p = 1 - 0.34 = 0.66

Q: How many di erent arrangements are there of the letters A, B, C, D, E, and F for which E is not the…

A: Here total 6 letter are available. Letters are A , B , C , D, E, F .here use counting principle. n!…

Q: Rework problem 5 from section 3.1 of your text, involving events E, F, and G in a sample space S.…

A: The given probabilities are PrE=0.55,PrF=0.65,PrG=0.6,PrE∩F=0.4,PrE∩G=0.35,PrF∩G=0.45.

Q: Determine whether each is dependent or not, based on the rules for independence. 1.…

A: The data is given as-

Q: A health and safety consultant working in a large department store finds that the wait time for a…

A: The probability that a person can reach the ground floor is less than 2.25 minutes after pushing the…

Q: A binomial probability experiment is conducted with the given parameters. Compute the probability of…

A: Answer:- Given, n = 15 ; p = 0.7 and x = 10  Using formula ( Binomial distribution) P(X = r) = P(r)…

Q: Beth gets a sum of 5 when she rolls two fair number cubes. What is the probability that one of the…

A: (2)Answer:- We know that the sample space for a roll two number cubes is,  {(1,1) ,(1,2) ,(1,3)…

Q: 1. A mail-order computer business has six telephone lines. Let X denote the number of lines in use…

A: 1)Answer:- Let X denote the number of lines in use at a specified time. The PMF of X is given in the…

Q: 22. Explain briefly the relationship among; null hypothesis, significance, and one or two sided…

A: In hypothesis testing the null hypothesis is a statement that assumes no significant difference or…

Q: Forty balls are placed in a bucket The balls are numbered from 1 to 40. One ball is randomly…

A: Forty balls are placed in a bucket The balls are numbered from 1 to 40.One ball is randomly selected…

Q: via python. It’s the   -number of accidents v hour of day  -number of accidents v time period  -…

A: Statistical testing is a powerful tool used in data analysis to draw meaningful conclusions and make…

Q: The following table shows retail sales in drug stores in billions of dollars in the U.S. for years…

A: Consider the given dataset: Year Retail Sales 0 85.851 3 108.43 6 141.78 9 169.26 12…

Q: If X is uniform on [2, 6]. Find a. P(X > 3), b. P(4 ≤ x ≤ 5)

A: X~U(a,b) probability density function pdf of uniform distribution is.  f(x)=1/(b-a)  , a&lt;x&lt;b

Q: 33. What is the probability that 5 of the swimming pools have safe chlorine levels? A. 39.56% B.…

A: AS per guidelines i have calculated 3 subparts plz repost for remaining parts . here ,  n = no of…

Q: If a baseball player gets 12 hits for every 40 at bats, how many at bats would the player need to…

A: we have 12 hits for every 40 at bats

Q: 22. In a simultaneous throw of two dice, what is the probability of getting doublet? (a) (d) 3 23. A…

A: To determine the probability of getting a doublet in a simultaneous throw of two dice, we need to…

Q: A single card is drawn at random from a shuffled deck. What is the probability that it is red? s the…

A: “Since you have posted multiple questions, we will provide the solution only to the first five…

Q: In a class of students, the following data table summarizes how many students passed a test and…

A: passed the test failed the test total completed the homework 14 2 16 did not completed the…

Q: Axline Computers manufactures personal computers at two plants, one in Texas and the other in…

A: 35 work at Texas plant 25 work at Hawaii plant ______________________ 60 total employees   10…