A TV Network study reported that teens spend a mean of P228.80 per visit to fast-food restaurants. In a follow up study, a sample of 102 teens visits fast-food restaurants in Quezon City found a sample mean of P239.20 and a samples standard deviation of P49.60. Formulate the null and alternative hypotheses that can be used to determine whether the sample data support the conclusion that teens in Quezon City have a population mean expenditure of more than P228.80 per visit to the fast-food restaurants. What is your conclusion? Use α=0.05

Q: A manufacturing process produces a critical part of average length 110 millimeters, with a standard…

A: Here a manufacturing process produces a critical part of average length 110 millimeters, with a…

Q: ndom variable X follows a normal distribution with mean value zero and standard deviation Find E{X}.

A:

Q: A regression of average monthly expenditure (AME, measured in euros) on average monthly income (AMI,…

A: The regression model is obtained to predict the  average monthly expenditure on the basis of average…

Q: A pharmaceutical company wishes to evaluate the effect of the amount of starch on the hardness of…

A: Given Information: Consider the given dataset: Percentage of starch Hardness 2 4.3 4 4.8 4.6…

Q: How to draw a boxplot with the same minimum value and quartile 1?

A: Boxplot is a graphical representation that indicates the five-number summary of data. The…

Q: Calculate the standard deviation of the sample quantitative data shown, to two decimal places. X…

A:

Q: A fast food restaurant executive wishes to know how many fast food meals teenagers eat each week.…

A: Given that  Sample size n =566 Sample mean =5.8 Population standard deviation =1.4

Q: Biochemical oxygen demand (BOD) measures organic pollutants in water by measuring the amount of…

A: Y= mX+C m=slope C= y- intercept   Here relationship between BOD and TOD BOD = -55.48 + 1.506 TOC…

Q: Are the two events, being a male soccer player, and tearing your ACL, independent events? Are they…

A: Given that  P(Male soccer) = 58% = 0.58 P(ACL) = 51% = 0.51 P(ACL and Male soccer) = 21% = 0.21

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given: n = 6 α = 0.01 Formula Used: Correlation coefficient r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2…

Q: Use a Spreadsheet for steps and solutions. If a worker makes an average of three errors for every…

A: Given: A worker makes an average of 3 errors for every hour. Required: To find the probability that…

Q: Major television networks conducted a joint poll of viewers and asked them if they felt that beer…

A: Given that, sample 1 is 1000 and favorable case 477, sample 2 is 1000 and favorable case 517. We…

Q: d. What percent of Southern students pay less than $300 monthly? E% Round to two decimal places e.…

A: Here we have given the steam and leaf plot of premiums paid by students. Here, n = 62 We have to…

Q: The math professor gave the class a set of 12 review problems and told them that the midterm exam…

A: Given: 6 problems chosen out of 12 Mela has memorized 8 of them

Q: distribution has a mean of μ=100 and a standard deviation of σ=8.  What is the probability of…

A: The mean and standard deviation of normal distribution is μ=100σ=8 n=25

Q: The lengths of nails produced in a factory are normally distributed with a mean of 3.343.34…

A: Z= X-mean/standard deviation Where Z is known as standard normal variable

Q: Percent 20.0 17.5- 15.0 12.5 10.0 7.5 5.0 2.5 0 1 2 3 4 10.25 all values greater than 4.5 4.49 2.25…

A: It is needed to find the plausible value of the median.

Q: Can you answer part D as well

A: Dice rolled twice Value of first roll - value of second roll =?

Q: The percentage of citizens who have trust in newspapers declined approximately linearly from 35% in…

A: Answer: From the given data, The percentage of citizens who have trust in newspapers in 2003 = 35%…

Q: Consider a Bernoulli process with =0.3. Simulate a sequence of 100 outcomes. Interpret the simulated…

A: We are given a Bernoulli process with mean μ=0.3 We will use Central limit theorem here.

Q: Outline strategies that you could reasonably and legally implement to remove the likelihood of…

A: Question: Outline strategies that you could reasonably and legally implement to remove the…

Q: Please use R-programming. Please provide the source code that makes the program run, and then…

A: We have a parallel reliability system which consists of cables of wires holding a bridge and each of…

Q: Which type of t-test is best for the following variables:(a) Age measured by # of years old (b) Life…

A: Variables given: 1. Age (in years). 2. Life satisfaction (Likert scale).

Q: The data set below contains spending on products ($) during a three-month period by a sam receiving…

A:

Q: Classify the statement as an example of classical probability, empirical probability, or subjective…

A: Given: Statements of probabilities are given we need to identify whether and why it is subjective…

Q: n terms of its relation, the Pearson correlation coefficient for profanity self-report has the…

A: In terms of its relation, the Pearson correlation coefficient for profanity self-report has the…

Q: Evaluate E = E= * Sd √n for t = 1.342, sd = 3.162, and n = 8. (Round to three decimal places as…

A: Introduction: It is required to find the value of E using the given formula.

Q: A store manager gathers some demographic information from the store's customers. The following chart…

A:

Q: Consider the following sample. 23 45 25 35 72 35 50 82 39 72 71 94 50 91 35 86 33 54 77 36 14 49 45…

A: For the given data Find the required percentages

Q: Assortative Mating: Assortative mating is a nonrandom mating pattern where individuals with similar…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: A nurse recorded the pain level of a sample of patients being treated for the same illness. Pain…

A: The given data is related to pain level of a patient.

Q: Knee injuries are a common event in soccer. One of the more common knee injuries is when players…

A:

Q: Consider three classes (I, II and III) consisting of 30, 25, and 45 students. Suppose a student is…

A: It is given that three classes consisting of 30, 25 and 45 students.

Q: Determine whether the following graph can represent Q Could the graph represent a normal curve?…

A: We want to tell you which option are correct choice.

Q: A sample of size n=92 is drawn from a normal population whose standard deviation is a = 7.6. The…

A: given data n = 92 σ = 7.6x = 44.16

Q: Evaluate the following formula for p₁ = 0.6, P₂ = 0.2, P₁ P2 = 0, p=0.541356, q=0.458644, n₁ = 97,…

A: Given information: p^1=0.6p^2=0.2p1-p2=0p¯=0.541356q¯=0.458644n1=97n2=84 Find: z test statistic.

Q: A botanist grew 24 pepper plants on the same greenhouse bench. After 21 days, she measured the total…

A: Given data 9.8, 10.1, 10.9, 11.3, 11.8, 11.9, 12.0, 12.0, 12.1, 12.2, 12.2, 12.3, 12.5, 12.6, 12.7,…

Q: Hi I wasn't sure on how to start the problem. I'm

A:

Q: Statistics: Probability: A bag contains an assortment of Jolly Rancher candies. Specifically, there…

A: GivenA bag contains No.of apple Jolly Rancher candies=5No.of watermelon Jolly Rancher candies=8No.of…

Q: In order to compare two statistics textbooks, Mr.Marin recommends one book to one class and  another…

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

Q: A linear regression yields R2 = 0. Does this imply that βˆ1 = 0?

A: Coefficient of determination = 0 We have to answer Does βˆ1 = 0

Q: University officials hope that changes they have made have improved the retention rate. Last year, a…

A: Given, sample 1 is 2088 and favorable case is 1580, sample 2 is 1941 and favorable case is 1524. We…

Q: bution with a mean of 2.4 kg/m and a standard deviation of 0.45 kg/m°. Enter the R code that can be…

A: Given that  Mean = 2.4 , Standard deviation = 0.45

Q: Note that 5% of the population suffers from a particular disease. There is a diagnostic test to…

A: The question is about Baye's theorem Given : Prop. of population suffers from disease = 0.05 Prob.…

Q: The ponderal index is a measure of overall size similar to a body mass index. The ponderal index of…

A: Given that  Mean = 2.4 , Standard deviation = 0.45 n = 16  X̄ ~ Normal ( M = 2.4 , SD = 0.45/4…

Q: S1) In a recent study, researchers developed a new biomarker-based screening test for ovarian…

A: It is given that in a population of 250 ovarian cases 235 tested positive with the new biomarker,…

Q: For a normal distribution, the term quartile is similar to the term percentile in interpretation.

A: It is needed to find whether the given statement is true or false.

Q: Jate E=t 2 S₁ 1 — n₁ + 22 2 31 for t = -1.14, s₁=0.96, $₂=0.69, ₁ (Round to two decimal places as…

A: Given that  t*=-1.14s1=0.96s2=0.69n1=29n2=38

Q: The prevalance of mild myopia (nearsightedness) in adults over age 40 is 27% in the US. Suppose…

A: The given sample size is 8 and probability of mild myopia in adults over age 40 is 27%.

Q: c) Construct a frequency histogram of the data. (Using Excel) d) Describe the shape of the…

A: Data of the home ownership rate in each of the 50 states and Washington is given.