In an office complex of 1110 employees, on any given day some are at work and the rest are absent. It is known that if an employee is at work today, there is an 77% chance that she will be at work tomorrow, and if the employee is absent today, there is a 54% chance that she will be absent tomorrow. Suppose that today there are 854 emplovees at work. Predict the number that will be at work five days from now.

Q: An investigator hypothesizes that the improvement rate associated with a placebo is P1 = 0.45, and…

A: To calculate the sample sizes and power for the given hypothesis test, we can use the formula for…

Q: Please answer quickly and correctly There are 15 teams in NBA Western Conference and 8 teams qualify…

A: The no. of available teams is 15. The no. of teams that are considered for pay-off is 8. In order to…

Q: The following table shows actual and forecasted values for sales over time. Year 2014 2015 2016 2017…

A: The question is about forecasting Given :   To find : Value of MAD

Q: A couple intend to have 4 children and they prefer boys 1.what is the probability that 2 of the…

A: A couple intend to have 4 children and they prefer boys.

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: The mean number of sleepwalkers in groups of five is obtained below as follows: From the…

Q: Question Four Suppose we have estimated the following logit model with 3 explanatory variables using…

A: In this question, we are given a logit model with three explanatory variables: x2, x3, and x4. We…

Q: Say we have a population parameter μ, and the 95% confidence interval for it is (-3, 10). What can…

A: For the population distributed with mean μ and variance σ2, the sampling distribution of the sample…

Q: Please no written by hand solution and no img 1) A medical research team is investigating the…

A: The question is about hypo. testing Given: Popl. mean recovery time ( μ ) = 96 hrs. Randomly…

Q: A cell phone company offers two plans to its subscribers. At the time that subscribers sign the…

A: Plan 1 :  Distribution has a positive skew  N1 = 40  Median (M1) = 57000  Standard deviation (S1) =…

Q: What would be the total fire insurance premium for Best Hardware if their $655,000 building belongs…

A: Using structural classification table: in the classification B the 4th area of rating in which…

Q: A researcher analyzes the factors that may influence amusement park attendance and estimates the…

A: We have given that Attendance = βθ+β1Price + β2Rides + ε Also, given that Price* = Price - 85Rides*…

Q: In Born together-Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the…

A: Twins No Siblings Silblings 1 468 424 2 637 552 3 555 613 4 368 402 5 370 503 6 423 492…

Q: Question 11 If X is normally distributed with a mean of 50 and a standard deviation of 4. If you…

A: Mean = 50 Standard deviation = 4 Sample size = 25

Q: Which distribution does a test for independence use? Ox² distribution t-distribution Oz-dsitribution

A: The distribution does a test for independence has to be identify.

Q: The director of the campus computing center did a study to determine the patterns of student…

A: A time series graph is created by drawing an aggregate values on a time line.

Q: Scores in the first and final rounds for a sample of 20 golfers who competed in tournaments are…

A: Let us consider the two samples which taken randomly The two samples used are dependent on each…

Q: QUESTIONS: WITH SOLUTION PLEASE AND CONCLUSION THANKYOU AND KEEPSAFE What year to reach 50,000,000…

A: In this problem, we are presented with a table that provides information about the population size,…

Q: 1. to the 2. to the left of z = 2.07 3. to the right of z = -2.24

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?   NOTE:-…

Q: Question 1: A newsgroup is interested in constructing a 90% confidence interval for the proportion…

A: 1) Answer:- Given, Sample size, n = 571  Number of successes , x = 420 Confidence level, C = 90% =…

Q: Assume that the following data represent baseball batting averages (multiplied by 1000) for a random…

A: The given class boundaries and frequency is: Boundaries Frequency 106.5-149.5 3 149.5-192.5 5…

Q: opinion male female total A percentage Mean Mediam Standard Deviation Minimum Maximum Agree B 11 8…

A: From the given information, Opinion Agree Strongly agree Disagree Strongly disagree No…

Q: Suppose we are interested in the effect of gender on income and we estimate a model in which income…

A: It is required to identify the correct statement regarding a dummy variable in regression analysis.

Q: The price per share of stock for a sample of 25 companies was recorded at the beginning of 2012 and…

A: End of 1st Quarter Beginning of Year Change in Price (d) 26.23 17.91   40.71 35.06   55.6…

Q: Say we have a population parameter μ, and the 95% confidence interval for it is (-3, 10). Do you…

A: 95% is (-3, 10).

Q: he table below shows the frequency distribution of the rainfall on 52 consecutive Tuesdays in a…

A: The frequency distribution of the rainfall on 52 consecutive Tuesday in a  certain city is given.

Q: ou may want to use the Excel Two Means Calculator found in the Course to complete this problem. An…

A: Given   Private Public Sample size 15 15 Average 97.60 84.3 SD 12.84 8.1

Q: Consider the following two confidence intervals for B₁: 90% confidence interval: [0.49, 29.51] 95%…

A: From the information, given that   The 90% confidence interval for the slope lies between…

Q: The table showing the stock price changes for a sample of 12 companies on a day is contained in the…

A: The data for the price change for 12 companies are given.

Q: A USA based cable broadband company wants to compare the average customer satisfaction scores…

A: Standard Deviation (s) = 0.52 Sample Size (n) = 355 Sample Mean (x̄) = 3.24

Q: A total of 7 different gifts are to be distributed among 10 children. How many distinct results are…

A: To solve this problem, we can use the concept of permutations, specifically, the concept of…

Q: 3. A Gallup poll surveys American beliefs about big business. The Gallup poll reports that 26% of…

A: Population proportion, p=0.26 Sample size, n=20

Q: For twenty holes drilled using this machine, determine, correct to the nearest whole number, how…

A: The mean diameter of holes produced by a drilling machine bit is 4.05 mm and the standard deviation…

Q: In a certain town, the daily consumption of natural gas (in millions of m³) follows approximately a…

A: To find the probability that on any given day the natural gas supply is inadequate, we need to…

Q: Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the…

A: X ~ N(50, 9). Suppose that you form random samples of 25 from this distribution. Let X be The the…

Q: What is the correlation between hours of weekly exercise and reported levels of happiness among…

A:

Q: Constructing a Frequency Distribution and a Frequency Histogram   In Exercises 31–34, construct a…

A: July sales for 21 sales representatives at a company dataset is 2114   2468  7119  1876   4105…

Q: The following chart summarizes the complaints received at a catalogue sales call centre by day of…

A: The following chart summarizes the complaints received at a catalogue sales call centre by day of…

Q: 3) Elsie, a librarian wants to investigate the length of time, 7 minutes, that people spent in her…

A: Consider the provided box plot. The extreme values on the plot which are connected through the…

Q: Assuming a normal curve  a)  what % of cases are between -1 and +1 standard deviations? b) what % of…

A: Assuming the normal curve we need to find the percentage of cases which comes under 1,2 and 3…

Q: The price per share of stock for a sample of 25 companies was recorded at the beginning of 2012 and…

A: The given data along with the change in price per share of company between the first quarter of 2012…

Q: TOPIC: MARKOV CHAINS In a sample of 400 Internet subscribers taken in late 2000, 80% were connected…

A: In a sample of 400 Internet subscribers taken in late 2000, 80% were connected by telephone, and the…

Q: ~ N(50, 9). Suppose that you form random samples of 25 from this distribution. Let X be the random…

A: n=25 Mean=50 Sigma^2=9

Q: Select True or False, depending on whether the corresponding statement is true or false.

A: Here given statement for chebyshev's inequality.  P <= (1 / K2)  It states that there is…

Q: Research question 1: We wish to investigate whether the age of the artists involved in a recent…

A: Total sample size n = 128 Given distribution is: Age less than 20 21-30 31-55 >55 Percent…

Q: part c is wrong. please fix that!!

A: s=23.90 n=16

Q: You randomly select 20 cars of the same model that were sold at a car dealership and determine the…

A: Answer:- Given, Sample size, n = 20  Sample mean, X¯= 9.75  Sample standard deviation, S = 2.39…

Q: Data is collected on the number of ice cream cones sold in a shop on a certain day and the number of…

A: The variables of interest, in this case, are defined as "sales of ice-cream cones" and "no. of…

Q: Define the process X(t) = eaw (t)- za²t Use this process to answer the following problems. (a) Find…

A: In the given problem, the stochastic process represented by the equation: X(t)=exp[α×W(t)-α2t/2]…

Q: Chance errors are errors related to the variability in repeated measurements and change from…

A: Chance errors are errors related to the variability in repeated measurements and change from…

Q: hich component contributed most to the conclusion? Previous BIU ANTE DELL 159

A: