III. Directions: Solve the following problems. Show your complete solution. Round off your answer into three decimal places. 4. A random sample of 15 students was selected from a population size of 100 (normal) in a certain dormitory. The mean of weekly expenditures of the sample students is P400 with P17.50 standard deviations. Construct a 95% confidence interval for the average amount of expenditure of the resident in the dormitory.

Q: Problem 3. The big day came and Kyle is too nervous about whether he passed the exam or not. Kyle…

A:

Q: a) Explain the meaning and use of each of the following terms: i) A BLUE estimator ii) A (1-a)%…

A: Note: As per the guidelines, in case of multiple questions, answer to first question will be…

Q: In a theoretical study, it was found that insomnia is associated with depression. It was also…

A: Option A is the answer.

Q: An insurance company offers four different deductible levels-none, low, medium, and high-for its…

A: Researchers use probability table to represent probabilities of occurrence of two events.

Q: Two neurologists examined 55 magnetic resonance imagings (MRIs) for evidence of brain tumors. As…

A: Given Information: No. of observations=55both MRI's are postive=20both MRI's are negative=15First is…

Q: Below is the frequency distribution table of the Mathematics test scores of 50 students. Which of…

A: Given table is mathematics test score of 50 students  Scores Frequency 46-50 4 41-45 8…

Q: The experimental probability that Morgan will randomly select a penny from a bag of coins is 19100.…

A: Given that

Q: Use the given frequency (a) class width. (b) class midpoints. (c) class boundaries. (a) What is the…

A:

Q: nple size = 120 5. Claimed proportion = 0.7, Sample proportion = 0.68, sample size = 30

A: Given: Claimed proportion ,p=0.7 Sample size, n=30 Sample proportion,  p^=0.68

Q: The Pizza Place recorded the number of extra toppings added to each pizza. Compute the mean and…

A:

Q: In an advanced ballet dance class, it is claimed that 42% of dancers can successfully perform a…

A: Given: Sample size, n=27 No. of dancers can successfully perform a double pirouette turn, x=13

Q: The following are the number of babies born during a year in 60 community hospitals.…

A: Arrange given data in ascending order…

Q: CASE 2 Top 3 disease 2018 and 2021 (Disease 1, 2, 3) 2018 2021 Ischemic Heart Disease 88,400 125,913…

A: The formula for proportionate mortality ratio is, Proportional mortality ratio=Deaths due to a…

Q: d) Fill in the missing entries in the ANOVA table. e) What proportion of the total variability of…

A: Anova is the measure that used to estimate the mean significant between the three or more variable.…

Q: So the answer is A?

A: Given that

Q: EXI let X~ Bin (wa) & € [0,1] J(Q)= 90-3 Q=Q1, Q2 охи Q=Q3 find posterior distribution

A:

Q: The midterm grades of randomly picked eight students in an MMW class are as follows: 84, 90, 74, 84,…

A:

Q: The 4th term and 15th term of an arithmetic sequence are 24 and 123 respectively. Find the 72nd…

A: Given problem Given that   The 4th term and 15th term of an arithmetic sequence are 24 and 123…

Q: A medical researcher claims that smoking can result in the wrinkled skin around the eyes. The…

A: Given Information: Smokers: n1=150 x1=95 Nonsmokers: n2=250 x2=105 Confidence level is 95%

Q: Vp Pq n

A:

Q: Problem 4. The scores in a test conducted to 500 students are normally distributed with a mean of…

A: Given: The score of the students has normal distribution with μ=110σ=6

Q: Below is a table that shows samples of computed p values and the corresponding level of…

A: The probability of determining a test statistic value at least as extreme as the observed value…

Q: Find the levels of the Confidence intervals that have the given Critical Values. 1.04 Tipos Allomal…

A: Given Critical value =1.04

Q: In a 50-item test, Melody got a score of 20 which is the first quartile. This means that: she got…

A:

Q: C. Determine the following: 1. Size of class interval 2. Number of respondents/Scores/values 3.…

A: Given Information: 25 40 40 26 27 50 38 28 29 39 39 29 25 31 33…

Q: A researcher conducted an experiment to see if specific eye exercises can improve peripheral vision.…

A:

Q: Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is…

A: Given,sample size(n)=25sample mean(x¯)=120standard deviation(s)=30

Q: Answer the questions each of the following charts or tables, and the data they represent. Disney…

A: The answer is shown below,

Q: A matched-pair case-control study was conducted in order to assess if there is a relationship…

A:

Q: Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is…

A: According to the given information in this question The p value is given  p value = 0.0014 p value =…

Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Professor Miguel wants to ensure he is thorough in his review of student performance, so he decides…

A:

Q: A conference consists of 5 sessions: A, B, C, D, and E. Here are the costs of the sessions. Session…

A:

Q: 2. In a quality control study in a knitting mill, a manager examines 10 randomly chosen sweaters a…

A: No.of defects (X) Frequency (f) X.f cumulative frequency 0 12 0 12 1 7 7 19 2 4 8 23 3…

Q: Michael wants to know if support for a local referendum on gay rights is related to political party…

A: Chi square test are used to measure the whether there is any association between the categorical…

Q: A survey of 200 Senior High School learners shows that they read on average 18.5 hours per week with…

A: The random variable X follows normal distribution. We have to construct 95% confidence interval.…

Q: A company wants to evaluate its attrition rate. In other words, how long new hires stay with the…

A: Let X = the number of years a new hire will stay with the company Let P(x) = the probability that a…

Q: A satisfactory survey was conducted on 20 individuals. Assume that the responses were normally…

A: According to the given information in this question We need to find t score when sample size is 20…

Q: ndard deviation of 1 television. Using Chebychev's Theorem, determine at least how many of the…

A:

Q: For items 4 to 6, consider the score distribution of 15 students given below: 83 72 87 79 82 77 80…

A:

Q: A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the…

A: Given data: 325, 325, 334, 339, 356, 356, 359, 359, 363, 364, 364, 366, 369, 370, 373, 373, 374,…

Q: Professor Miguel has just given a math exam and wants to calculate the 'range' of performance of his…

A: Given problem Given that   Professor Miguel has just given a math exam and wants to calculate the…

Q: a. Verify if it is a valid density function. b. Find P[(X, Y) E A), where A = {(x, y) 10<x< ½, ½…

A:

Q: Class Intervals Class Boundaries 36-40 35.5-40.5 31-35 30.5-35.5 26-30 25.5-30.5 21-25 20.5-25.5…

A: Mode: The mode is the value in a set that appears the most often. It is one of the ways of the three…

Q: b) Find the variance Var(X) of X.

A:

Q: Consider purchasing a system of audio components consisting of a receiver, a pair of speakers, and a…

A: Given: P(A1) = 0.91 P(A2) = 0.96 P(A3) = 0.90

Q: The accompanying table gives information on the type of coffee selected by someone purchasing a…

A: Given table is the type of coffee selected by someone purchasing a single cup at a particular…

Q: What do you understand by the term probability density function? Write down an expression for a…

A:

Q: Two neurologists examined 55 magnetic resonance imagings (MRIs) for evidence of brain tumors. As…

A: Percentage of aggreement observed is given by, X= (a+d)*100/(a+b+c+d)   Positive Negative Total…

Q: What is the percentage of households with an intensified waste management system (dark green)?

A: The objective is to find the percentage of households with an intensified waste management system…