Identify whether the given experiment involves a discrete random variable or continuous random variable. Write your answer on a separate answer sheet. 1. getting the temperature of patient admitted in a hospital 2. collecting data about the weights of students in a certain school 3. the number of patient admitted in the hospital due to COVID-19

Q: An analyst is interested in predicting annual sales for XYZ Company, a maker of paper products. The…

A: We know that,  Regression equation is given by, Y^= a+b*X Where a is intercept and b is slope. Y…

Q: Test whether u, <Hz at the a=0.02 level of significance for the sample data shown in the…

A:

Q: A prime number is a number that is evenly divisible only by 1 and itself. The prime numbers less…

A: In question, Given that A prime number is a number that is evenly divisible only by 1 and itself.…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days…

A:

Q: (a) The correlation coefficient is r = (b) The equation of the least squares line is ŷ =

A: Given: Team Games won, x Batting average, y 1 61 278 2 66 273 3 116 278 4 120 264 5 87…

Q: Show necessary calculation/justification for each answer.  a) In regression analysis, the residuals…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: MO22. A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has…

A: Given that  x̄ = 11.5 , μ = 12 , ? = 0.5 , n = 4

Q: You are interested in seeing if there is a relationship between where you live in the United States…

A: Analysis of Variance(ANOVA) Analysis of variation is a collection of statistical models and their…

Q: Question-Does the type of painting and the tray on which the parts are placed affect the mean…

A: The graphs for each paintings and trays for the hardness of the enamel paint are:

Q: How many ways can a set of 10 different books be arranged on a shelf if they are not in alphabetical…

A:

Q: Treatment Placebo A study was done using a treatment group and a placebo group. The results are…

A:

Q: QUESTION 1 Calculate a point estimate for the proportion of all MVCC students that have brown eyes.…

A: Population proportion is the fraction of certain population which shows some characteristic. It may…

Q: The University of the East Europe is interested in the overall performance of its students  in the…

A: I) here the population of interest is all University students of East Europe of the year 2020/2021.…

Q: Find the critical value for 93% confidence interval, n = 160  and  HA: ρ ≠

A: Given n=160 and confidence level is 93$%. Test is two tailed.

Q: For the following data (72, 65, 76, 78, 40, 77, 58, 77, 65, 77, 65, 75, 66) (1) construct a stem and…

A: Solution-: Construct the stem-leaf diagram and find median, first quartile and third quartile.

Q: A statistics student believes that black cars are less likely to receive tickets for moving…

A: It is given that the P-value is 0.24.

Q: 2. Using the data from Lab Activity 1.1, collect data on weight of students numbered 3, 11, 14, &…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: For numbers 3-7, please refer to the problem below.A population of a certain LGBTQ+ community is…

A: 3. Option c is the correct answer. 4. Option a is the correct answer.

Q: Use technology to find the P-value for the hypothesis test described below. The claim is that for a…

A:

Q: The table below shows the color and the model of cars purchased by 160 randomly selected customers…

A: By using online calculator

Q: One bag contains 4 white balls and 2 black balls; another contains 3 white balls and 5 black. If one…

A:

Q: The following data are the measures of the diameters of rivet heads in 1/100 of an inch. 6.72 6.77…

A: Given data indicates the measures of the diameters of rivet heads in 1/100 of an inch. 6.72, 6.77,…

Q: A statistics class weighed 20 bags of grapes purchased from the store. The bags are advertised to…

A: Given that  True mean=Population mean=16 90% confidence interval for the true mean weight of bags of…

Q: A reporter from the Sacramento Bee claims that more than 6% of California workers say it is likely…

A:

Q: As a senior high school student, how much time do you spent in studying and answering the activities…

A: The following information has been given: The population mean is μ=25. The population standard…

Q: 1. It gives a bell shaped curve when the data are plotted on a graph paper.

A:

Q: Compute the expected return and risk of stocks A and B а.

A: The given table is Month  1 2 3 Total A(%) 2 1 4 7 B(%) 9 6 5 20 Total 11 7 9 27…

Q: Nine hundred (900) high school freshmen were randomly selected for a national survey. Among survey…

A: Given Sample size n=900, sample mean x̄=2.7, sample standard deviations s=0.4

Q: III. For the experiment of rolling a single fair die, find the probability of each event. a) not…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1- Demand for a new working out product of Sportex during the last 90 days is shown in the below…

A: Given information: Demand Frequency  10 10 12 10 15 30 20 20 30 15 40 5 Sum 90

Q: X=2 4 5 Y=1 1/18 1/18 1/18 3 1/9 1/9 1/18 4 1/9 2/9 2/9 3.     Find Marginal PMF of X…

A: Given that  The joint probability mass function of X and Y is    X=2 4 5 Y=1 1/18…

Q: Create a Frequency Distribution Table using the data provided: 46, 62, 38, 28, 57, 71, 63, 75, 60,…

A: Given data is  46, 62, 38, 28, 57, 71, 63, 75, 60, 74, 82, 77, 80, 94, 89

Q: QUESTION 5 Calculate the margin of error if a 99% confidence level is used Use 2.576 for z Round the…

A: x be the no of brown eyes x=22  total no of sample n=40  sample proportion p of brown eyes…

Q: 8. A researcher wants to find out whether chocolate affects energy. A group of participants rated…

A: There are two dependent samples which are before and after consuming the chocolate. We have to test…

Q: 45. What is the length of the confidence interval given the following data: o = 0.5, n = 70,…

A: 45)Givenσ=0.5n=70confidence level = 95%

Q: EXERCISE NO. 4: NORMAL RANDOM VARIABLES COMPLETING THE TABLE: Use empirical rule to complete the…

A:

Q: How many different committees of 3 men and 4 women can be formed from 8 men and 6 women? solve by…

A:

Q: The local government is considering applying cost cutting measures to the number of hours its 811…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: sample is tw be selectEU mа поп population (a) Determine the mean and standard deviation of the…

A:

Q: The scatterplot shows the actual weight and desired weight change of some students. Thus, if they…

A: Scatterplot is a graphical representation between two variables, where each of the points of the…

Q: A random sample of 89 tourists in Chattanooga (C) showed that they spent an average of $2860 (in a…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: sample of students from an introductory psychology class were polled regarding the number of hours…

A: Given that  Observation: XX X^2X2 1 4.5 20.25 2 22 484 3 7 49 4 14.5 210.25 5 9 81 6…

Q: Researchers were interested in the number of outdoor walks a week that people had taken during the…

A: There are 3 independent samples which are Midtown Toronto, Markam and Maple. We have to test whether…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A:

Q: Event A occurs with probability 0.8. The conditional probability that event B occurs, given that A…

A:

Q: Example 11. Three type of shaping tools are produced I, Activity II and Activity III. The duration…

A:

Q: Example 8. A company has two plants, A & B, each designed for manufacturing 10 biscuit packet and 15…

A:

Q: A die is weighted such that an even number is twice as likely to come out as an odd number. If the…

A: The mean or expectation of a discrete random variable X is a measure of central tendency of the…

Q: A Vancouver store sells a one day two hour children events tickets. Once-a-week on sale 2. . starts…

A: Given information: Demand for the tickets can be approximated by a normal probability distribution…