Evaluate the expression C(19, 3), equivalently 19C3. Your answer is:

Q: Given that x is a normal variable with mean ? = 52 and standard deviation ? = 6.7, find the…

A: a) Suppose the variable of interest is x.

Q: chemical messengers and plays a major on of adipose tissue - Adipose tissue is mostly composed of…

A: Given The data is as follows: Group Mean SAT in kg SD of SAT in kg Sample size Population 1:…

Q: 4. The article "Gender Differences in Individuals with Comorbid Alcohol Dependence and…

A: If the sample size is small and population variance are unknown then t test is used. It can be…

Q: The time to complete an exam is approximately Normal with a mean of 40 minutes and a standard…

A: Let Z be the normal distribution with (μ) = 40 standard deviation (σ) = 4

Q: The average American gets a haircut every 35 days. Is the average smaller for college students? The…

A: PLEASE LIKE MY ANSWER..... IT SUPPORTS ME A LOT.....

Q: factory floor manager is trying to determine whether the machine they are responsible for is still…

A:

Q: You pay $20 to enter a raffle.  The first ticket drawn wins $964, the second ticket drawn wins $522,…

A: The expectation of a discrete random variable X, denoted by E(X), is defined as a measure of central…

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 61…

A: Here we have given scores on a standardized test are normally distributed with mean of 61 and…

Q: 6. Given Z~ Normal(0,1) Using the definition of the moment generating function compute (derive) the…

A: Solution

Q: Spring is a peak time for selling houses. Suppose the data below contains the selling price, number…

A: Given data: SP Baths Sq Ft Beds 160000 1.5 1786 3 170000 2 1768 3 178000 1 1219 3 182500…

Q: Nationwide, the amount charged by doctors for performing a particular minor surgical procedure has…

A:

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 139…

A: GivenMean(μ)=139standard deviation(σ)=42sample size(n)=8

Q: A random sample of 83 eighth grade students' scores on a national mathematics assessment test has a…

A: given data claim : μ >270n = 83x¯ = 277σ = 39α = 0.03

Q: 1.What methods is used when conducting  mixed method research  2.What are the study design

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Let X represent the full height of a certain species of tree. Assume that X has a normal probability…

A: From the provided information, Mean (µ) = 248.8 Standard deviation (σ) = 5.1 Sample size (n) = 241

Q: Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.) 10 9.14 8 8.14 13…

A: (a)   Construct the scatter plot.   Use EXCEL to construct the scatter plot   EXCEL procedure:   Go…

Q: An ANOVA procedure is applied to data obtained from 6 samples where each sample contains 20…

A: From the provided information, Number of samples (k) = 6 And each sample has 20 observations that is…

Q: What is the Null & Alternative Hypothesis? and what type of analysis you would use to test the…

A: The results of the study are:   Pupils with special teaching Pupils with no special teaching…

Q: When engaging in weight control (fitness/fat burning) types of exercise, a person is expected to…

A: From the provided information, Sample size (n) = 100 Sample mean (x̄) = 107 Sample standard…

Q: Express the confidence interval 0.399±0.0330.399±0.033 in open interval form (i.e., (0.155,0.855)).

A: Given information- We have given the confidence interval- 0.399 ± 0.033 We have to find the…

Q: Listed below are altitudes (thousands of feet) and outside air temperatures ("F) recorded during a…

A: (a)   Use EXCEL to determine the value of explained variation.   EXCEL procedure:   Go to EXCEL Go…

Q: Why is it that the correct answer is E? What is the best explanation for the answer? Thanks

A: Given that, Thirty employees volunteered and each employee used the new desk chair for two weeks and…

Q: 3. Determine whether each of the following settings describes an observational study or an…

A:

Q: f n=450 and X = 360, construct a 99% confidence interval.

A:

Q: In a COVID infection study, n = 110 COVID positive (+) and n = 110 COVID negative (-) participants…

A: We have given The number of COVID-positive (+)  participants is 110. (7)=110 The number of…

Q: You want to find the probability of getting a z score less than or equal to 1.2. Which distribution…

A: The best distribution for calculating this probablity is "normal distribution". We need to look for…

Q: 4. The article "Gender Differences in Individuals with Comorbid Alcohol Dependence and…

A: According to the given information in this question We need to find 95% confidence interval

Q: The manufacturer claims that your new car gets 26 mpg on the highway. You suspect that the mpg is…

A: Given data: Claim: The mpg is more for your car. Significance level= 0.10

Q: A group of students take the SAT, then take an SAT prep class, then take the SAT again. To test the…

A: All information is given in the question: A group of students take the SAT then taken an SAT prep…

Q: The Law of Large Numbers (LLN) says O The distribution of the sample mean should approximate a…

A: It states that if you repeat an experiment independently a large number of times and average the…

Q: selected. Find the probability of selecting an eight and then selecting a qu obability of selecting…

A: Given Total number of cards=52 Total number of 8s deck of cards =4

Q: III Analytical 5. Figure below shows four correlograms. Select the appropriate process (AR, MA, WN,…

A: Given four correlograms of various time series processes.

Q: Why? Is the MLE the uniformly minimum variance unbiased estimator (UMVUE) of μ?

A:

Q: A regression analysis resulted in the following information regarding a dependent variable (v) and…

A:

Q: A person going to a party was asked to bring 4 different bags of chips. Going to the store, she…

A: From the provided information, A person going to a party was asked to bring 4 different bags of…

Q: :) For each of the situations below, define the parameter (proportion or mean) and write the null…

A: As per our guidelines we are supposed to answer only one question and 3 subparts of the any…

Q: The following data give the percentage of women working in five companies in the retail and trade…

A: Given The data is as follows: % Working % Management 67 50 45 23 73 63 54 47 61 34

Q: A medical doctor who wanted to study the heights of adult men and women took a random sample of 150…

A: Given n1=150 n2=120

Q: Part D. Data from the Statistical Abstract of the United States provides a panel data collected at…

A: Given Information: Consider the given Model 1: infmort=β0+β1lpcinc+β2lpopul+β3lphysic+δ1d90+u…

Q: Provide an example of a regression that arguably would have a high value of R² but would produce…

A: Coefficient of determination: The coefficient of determination is denoted by R2. The value of the…

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given in the question: High School Mean score on test Number of ninth graders Glenwood 81 273…

Q: The circumference of a particular species of tree was thought to be different depending on certain…

A: Construct the 95% confidence interval for the difference between the population means  when…

Q: Over a long of time it has been observed that a given rifleman can hit a target on a single trial…

A:

Q: Question Details How many three-letter "words" can ve maue from 8 letters "FGHIJKLM" if repetition…

A: Given8 letters is "FGHIJKLM"Total no.of letters=8No.of letters to be made=3

Q: Use the data below quest Group1 (n=16) averaged 27.31 jumps (SD=10.18) in a physical exam and Group…

A: We need to give the critical value for given problem.

Q: A pollster wishes to estimate, with 90% confidence, the proportion of people who believe the United…

A: GivenMargin of error(E)=1%=0.01Confidence level=90%

Q: 6. Given Z~ Normal(0,1) Using the definition of the moment generating function compute (derive) the…

A: 6. Give that Z~N(0,1). So, the PDF of Z is fZ(z)=12πe-z22, -∞<z<∞.

Q: III Analytical 5. Figure below shows four correlograms. Select the appropriate process (AR, MA, WN,…

A: Given four correlograms of various time series processes.

Q: A leading magazine (like Barron's) reported at one time that the average number of weeks an…

A:

Q: esearchers compared the effectiveness of a mood induction technique (exposure to depressing film…

A: Given Number of treatment=k=3 Total sample size=N=33