The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 4.5 ounces. 6 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the distribution of ? x - N( c. What is the probability that one randomly selected person drinks between 13.5 and 15.5 ounces of coffee per day? d. For the 6 people, find the probability that the average coffee consumption is between 13.5 and 15.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O No Yes

Q: A student at a four-year college claims that mean enrollment at four-year colleges is higher than at…

A: According to the given information in this questionThere are more than three subparts according to…

Q: Explain the MVA table based image

A: It appears that the MVA table you provided includes descriptive statistics for various variables.…

Q: Suppose you select a letter at random from the word MISSISSIPPI. The probability of selecting the…

A: given word is "MISSISSIPPI"No. of "M" in given word= 1No. of "I" in the given word=4No. of "S" in…

Q: You wish to test the following claim (H.) at a significance level of a = 0.01. Ho: = 50.8 Ha:  >…

A: The test statistic (z-score) can be calculated using the formula:z = (M - μ) / (σ / √n)Where:M is…

Q: Let N(t) be a Poisson point process with parameter À > 0. Define {X(t)}t>o to be the random process…

A: In other words, the question is asking to show that the random process X(t) is wide-sense stationary…

Q: Amish State Oil claims their gasoline additive increases fuel economy. Miles per gallon (MPG) for 15…

A: Given the table containing the Miles per gallon (MPG) for 15 identical vehicles were obtained and…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Confidence interval about the proportion is defined by

Q: [6] Let G be a spanning subgraph of Kn,n. Prove that the number of perfect matchings in the…

A: To prove the given statement, we need to establish the equality between the number of perfect…

Q: Complete the following worksheet and then use it to calculate the coefficient of determination. (9₁…

A: ixiyi1502019.3698.61812.7212502119.3698.61820.8543551918.4093.9036.58845519.518.4093.9039.40456020.5…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the…

A:

Q: A certain system can experience three different types of defects. Let A, (i=1,2,3) denote the event…

A: It is given that:

Q: Fill in the blank. Two samples are Two samples are if the sample values from one population are not…

A: A statement is given.

Q: interpret the data in statistical analysis

A: The output of two-way ANOVA is given below.Given that,Source of…

Q: r there are 5 black balls (H) and 3 yellow balls (K). Action 1: Take randomly a ball repeatedly from…

A:

Q: In a normally distributed data set a mean of 31 where 95% of the data fall between 27.4 and 34.6,…

A: To find the standard deviation of a normally distributed data set, given the mean and the range…

Q: tandard deviation of 1.04 hits. If a randomly selected minute has 13.9 hits e process be considered…

A:

Q: Does the “proc model” in SAS estimate the equations as a system of equations or not? For example, if…

A: In SAS, the "PROC MODEL" procedure allows you to estimate equations individually or as a system of…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: Here,  and

Q: (c) Find the probability that more than 69% of the sampled adults drink coffee daily. The…

A: Given:Sample size (n) = 225Mean from part 1 (µp̂) = 0.65Standard deviation from part 2 (σp̂) =…

Q: X₂ of cases) of the cold remedy sing (x $1,000) for the cold remedy similar products (x $10,000)…

A: Following are the given data:Regression equation is Y = -1.04+0.24X1-0.27X2Standard error of slope…

Q: Contingency Tables and Conditional Probability: Homework and Passing a Course A teacher categorized…

A: Contingency table given is , Completed HWDid not complete HWTotalPassed the course26733Did not pass…

Q: Complete the following worksheet and then use it to calculate the coefficient of determination. (9,-…

A: ixiyi115160175.4862.208196213.5220197.774565.2032116316.5140153.197432.7651156414.5190182.91579.4772…

Q: Which scenario has the possibility of greater sampling error? 1. An HOA association of a high rise…

A: The sampling error usually occurs when the selected sample doesn't represents the population.

Q: At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, “You…

A: Sample size n =37Sample mean=76.10Population standard deviation =4.27

Q: Problem #9: Consider the data set that is summarized in the R Output below. Sum Sq 105.14 113.80…

A: A confidence interval includes a range of values within which the population parameter is expected…

Q: Part 3 of 3 (c) If appropriate, construct a 99.5% confidence interval for the mean price for all…

A: Here, n=9.The sample mean is calculated as follows:It is given that .

Q: A university conducted a survey of 366 undergraduate students regarding satisfaction with student…

A: FreshmanSophomoreJuniorSeniorTotalSatisfied55466155217Neutral2915181072Not…

Q: A school district is vision test to 133 income in kindergarten children and find 16 of them are near…

A: A confidence interval gives a range of values in which the population parameter lies with certain…

Q: A. The weights (in kg) of the 9 students of Grade 10 are as follows: (Use Mendenhall and Sincich…

A: Please note that as per our guidelines if multiple questions are posted we can answer the first…

Q: Let D = (N, A) be a digraph with arc values c E R4 which we call pi-capacities (note that c≥ 0,…

A: (a) To show that T is a tree of maximum pi-capacity if all arcs of T are equality arcs and y is a…

Q: a bank analyst wants to ask customers who have a mortage with the bank about the customers…

A: If all the units in a sample has equal chance of being selected, then it is called simple random…

Q: Use the following table to determine whether or not there is a significant difference between the…

A: Let  be the population means hourly wages at two manufacturing companies.Given that,

Q: If one order is selected, find the probability of getting an order from Restaurant A or an order…

A: It is given that the table represents the drive-thru order accuracy at popular fast food chain.

Q: Modern Hangul orthography uses 24 basic letters: 14 consonant letters (1LC 20 E II) and 10 vowel…

A: We are presented with a book containing 15,000 letters, written in Korean using only these 24 basic…

Q: Refer to the accompanying data set and use the 30 screw lengths to construct a frequency…

A: The data is given on the screw lengths of size 30.Given that,Lower class limit of the first class…

Q: 4. Recent studies have suggested that a significant negative correlation exists between subjects'…

A: SubjectsCGMRIQ10.711421.51013-1.011334-0.1412850.1311160.85927-1.471228-0.56107The independent…

Q: An engineer working for a toy company in Lima, Ohio has designed a yo-yo so that the toy will extend…

A: Let X be the distance  in feet the toy will extend when released

Q: A statistics professor would like to build a model relating student scores on the first test to the…

A: The data of first and second test grades of 21 students is provided as…

Q: Find the critical value Za/2 that corresponds to the given confidence level. 80% Za/2 (Round to two…

A: Confidence level = 80 % Find Critical value

Q: The following data gives the amounts of advertising budgets and annual sales. Advertising (thousands…

A:

Q: 22 23 on 24 on 25 a. Assume that nothing is known about the percentage of passengers who prefer…

A:

Q: Using the frequency table below for a data set of annual maximum rainfall with average of 320mm and…

A: Population mean, Population standard deviation, Return period of probable rainfall,

Q: Yaster Outfitters manufactures and sells extreme-cold sleeping bags. The table below shows the…

A: x(Sleeping bags)p($)C($)952401300012023514300180155185002205021000

Q: In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and…

A: Central limit theorem:The Central Limit Theorem states that if the sample size  is sufficiently…

Q: 2. Consider a Markov chain with state space S = {1,2,3}. Whenever the Markov chain enters the state…

A: In this problem, we are dealing with a Markov chain with a state space of three states: {1, 2, 3}.…

Q: Quick note for Excel users: You can download the table in Excel file as instructed below. Then…

A: Procedure to obtain expected frequencies using excel:Enter the data in the excel sheet.Add each…

Q: Example 6 X 41 35 34 Y 32 20 35 24 27 28 40 33 42 37 42 30 43 31 33 26 41 The table above shows the…

A: XY4132352034354024332742283731423330264341

Q: Major League Baseball (MLB) consists of teams that play in the American League and the National…

A: Given the data of a random sample of 20 pitchers from the American League for a season…

Q: 4. A candy jar contains 12 lemon drops and 18 peppermints. (a) If two candies are selected at…

A: it is given that-Number of lemon drops candy: L= 12Number of peppermints candy; M =18

Q: 220    195.721    516.244     2,209.000 3    16.5    140   153.119    395.254      1,089.000 4…

A: