Find the variance of a fair six-sided die whose sides are labeled 1, 2, 2, 3, 3, 3

Q: Company XYZ know that replacement times for the quartz time pieces it produces are normally…

A: Mean()=11.5standard deviation()=1.2

Q: Hello, could you help expain this and how to solve it in excel?  Thank you!    The table below…

A: The point estimate for the birth weights is x̄ = 2724.92tc value = 2.05954The margin of error for…

Q: ty Values for Binomial Distributions yerHomework.aspx?homeworkld…

A: The probability is 0.2916.Explanation:Let X be a random variable that represents the number of HR…

Q: Assume the distributions of the Strength H and Stress S are all Normal distribution or Exponential…

A: Given below solution Explanation:

Q: The management of KSmall Industries is considering a new method of assembling a computer. The…

A: The objective of this question is to determine whether the new method of assembling a computer is…

Q: If you have to answer 14 multiple choice questions, with each question having 7 choices, what is the…

A: The objective of this question is to find the probability of getting 6 or more correct answers out…

Q: Let X have possible values {1,2,3,4,5} and probability mass function x 1 2 3 4 5 px(x) 1/7 1/14 3/14…

A: x12345px(x)1/71/143/142/72/7

Q: CWD Electronics sells computers , which it orders from the USA. Because of shipping andhandling…

A: To solve this problem, we'll follow these steps:a) Construct the appropriate random number mappings…

Q: For sample values X1, X2. X the sample variance is s² = (x-x)², where x = x, is the sample i=1 i=1…

A: Let x1, x2, ....xn be the random samples.Define sample variance iswhere x¯=1n∑i=1nxi is the sample…

Q: Give an example of a sequence of random variables that converges almost surely but does not converge…

A: The objective of the question is to provide an example of a sequence of random variables that…

Q: Given a normal random variable X with mean 68 and variance 25, and a random sample of size n taken…

A:

Q: 1. On this problem, give exact answers using both fractions and exact decimals. One card is chosen…

A: a) P(E) = 1/4 = 0.25b) P(F) = 1/2 = 0.5c) No, it is not safe to use P(E and F) = P(E)P(F), because…

Q: According to a study published by a group of sociologists at the University of Massachusetts,…

A: Given,Approximately 49% of the Valium users in the state of Massachusetts are white-collar workers.…

Q: 49 The duration Y of long-distance telephone calls (in minutes) monitored by a station is a random…

A: Long distance phone calls is given by:P( y = 3) =0.1P(Y = 6) =0.2Continuous density function:We need…

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A: a) Null hypothesis: Ho​:p=0.088Alternate Hypothesis: Ha​:p>0.088c) test statistic is 4.7358 or…

Q: Q73. If P(A n B) = and P(A' n B') = ½³, P(A) = p and P(B) = 2p then value of p is :

A:

Q: A jar contains different numbered balls from 12 to 110.The numbered ball is picked up from jar.Find…

A:

Q: Portland State University (PSU) reported that 64% of their students receive financial aid. A PSU…

A: a) Ho: p=0.64   H1: p≠0.64b) test statistic, z=-0.2823 c) p-value=0.7777 d) Do not reject the Null…

Q: The annual maximum load (in tons) on a structure is normal distributed with mean and standard…

A: The annual maximum load on the structure has a normal distribution.Mean,  tonsStandard deviation,…

Q: Do you need inferential statistics to answer each of the following questions? (Answer “yes” or “no”…

A: The objective of the question is to determine whether inferential statistics are required to answer…

Q: Ian placed his 3 bets on Philippine 6/42 Lottery with these three combinations on a single ticket:…

A: bets are placed by Ian on Philippine lottery.The  combinations on a single ticket:Combination A:…

Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

A: The question is about normal distribution.Given :Mean length of time (  ) = 23 minutes.Standard…

Q: A number is randomly selected from {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. A is represented by the event…

A: The objective of the question is to find the probability of the complement of event A. In…

Q: Suppose θb is an unbiased point estimator for a parameter θ. We obtain 10,000 different random…

A: θb is an unbiased point estimator for a parameter θ.i.e. A random sample of 10000 is taken.

Q: According to a study published by a group of sociologists at the University of Massachusetts,…

A: It is given that:Number of randomly selected Valium users: Probability that Valium users are white…

Q: Develop a two-period weighted moving average forecast for March 2019 through January 2020. Use…

A: The given information is as follows:The given data for the month and actual demand is given as…

Q: One day you overhear how two fellow students discuss a show in which a performer spins a coin many…

A: Two fellow students discuss a show in which a performer spins a coin many mes, resulting in Tails 30…

Q: Please be very careful and precise with final answer

A: The objective of the question is to find the value of 'k' in three different scenarios of a standard…

Q: Question Compute P(A|B), if P(B) = 0.5 and P(ANB) = 0.32

A: The given data is as follows:

Q: A continuous random variable X that can assume values between x = 3 and x = 8 has a density function…

A: P(X<7)=6548​=0.7385  P(5≤X<7)=6528​=0.43077 Explanation:Step 1:GivenA continuous random…

Q: Kevin is trying to find a white sock in his drawer. He has 16 white socks, 4 brown socks and 6 black…

A: The objective of this question is to find the probability that Kevin pulls out either a black or…

Q: Question 1 Consider a 3 dimensional contingency table. Decide if the following statements are true…

A: A 3-dimensional contingency table should be considered. The given log-linear model is as follows.A…

Q: A bag of M&Ms has the following number of candies: Blue: 14 Red: 18 Orange: 9 Green: 6 Yellow: 5…

A: The objective of this question is to create a probability distribution for drawing a single candy…

Q: Let A and B are events of an experiment and P(A) = 1/4, P(AUB) = 1/2 then value of P(B/AC) is

A:

Q: According to a study published by a group of sociologists at the University of Massachusetts,…

A: The conditions for the normal approximation to the binomial distribution are given below:From the…

Q: In a research study both teacher and parents rated their students' in terms of their eagerness to…

A: It is needed to find the appropriate statistical test for the given scenario.In this case, both…

Q: Binomial distribution. According with the Sidney Morning Herald, 35% of bicycles stolen in Holland…

A: The objective of this question is to find the probability that exactly 4 out of 10 stolen bicycles…

Q: A company experiments with different offers and website designs. Possible actions by the website…

A: The objective of the question is to construct a probability tree for the experiment conducted by the…

Q: A coin is tossed 576 times. Use the normal curve approximation to find the probability of obtaining…

A: Given,A coin is tossed 576 times. That is, number of trials n = 576Let X be a random variable…

Q: Seven office mates, three women (Fran, Gladys and Helen) and four men (John, Karl, Leonard and…

A: Please refer ExplanationExplanation:Analyzing Restaurant Guests on Wednesday:Restrictions:Fran: Only…

Q: In a class of 22 students, 13 play an instrument and 7 play a sport. There are 5 students who play…

A: The objective of this question is to find the probability that a student does not play a sport given…

Q: A local county has an unemployment rate of 6.5%. A random sample of 17 employable people are picked…

A: Proportion that local county has a unemployment rate(p)=0.065sample size(n)=17

Q: In a class of 19 students, 13 have a brother and 10 have a sister. There are 4 students who do not…

A: The objective of this question is to find the probability that a student who does not have a sister…

Q: According to the National Vital Statistics, full-term baby’s birth weights are approximately normal…

A: The objective of this question is to find out the number of full-term babies born at a hospital in…

Q: n 1 n For sample values X1, X2, X, the sample variance is s² = n-1 -Σ (x-x) ², where x = -- Σ x; is…

A: Let x1, x2, ....xn be the random samples Define sample variances2=1/(n-1)∑i=1n(xi−x¯)2where x¯ be…

Q: (d) Find the area under the curve that lies to the left of z = 1.55. The area is (Round to four…

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

Q: The stock of a fast-food restaurant chain pays a dividend of $0.67. If the share price for this…

A: The objective of this question is to calculate the dividend yield of a stock. The dividend yield is…

Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

A: As per our guidelines we are suppose to answer only three sub parts.Mean()=27 minutesStandard…

Q: For sample values Xx, Xx... the sample variance is s² = 1₁₁ Σ (x-x)², where x = 12 x, is the sample…

A: Let x1, x2, ....xn be the random samples Define sample variancewhere x¯ is the sample mean to show…

Q: The time taken by employees at Grace Floral shop to put a bouquet together has a normaldistribution…

A: For the probability that an employee takes less than 26.3 minutes:Using the Z-score rounded to 3…