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Sum up a business problem and describe both the sampling technique and the sample size that you would require to set up a research project to solve this problem.
How to find the probability for Normal approximation of Binomial distribution. Genetics of peas and according to genetic theory so the blossom colour in the second generation of a certain cross of s
Simple linear regression and Multiple Regression model.Identify the independent and dependent variables. Perform a regression analysis on the data.
In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees. (a) Write the fitted regression equation, (c) What is the conclusion about the slope.
How to find the probability for Normal distribution. Explain what is the approximate probability that the mean score x of these students is 23 or higher
A month of sales data are collected on sales of different kinds of computer products Run the t-tests to determine.
How to find the probability for the sample proportion. The perfect number of children.
Hypothesis testing for dependent samples using Paired t test. A group of 20 sales associates agree to go during a week-long sales class to improve their productivity. The amount of their sales
How to find the probability for Normal approximation of Binomial distribution. Confessing students to college.
How to find the probability for Binomial distribution. Visits to Web sites. Explain what kinds of Web sites do males aged 18 to 34 visit most often
How to find the conditional probability. Muscular dystrophy is an irredeemable muscle-wasting disease.
To compute probability value using normal distribution. Robinson & Associates does employment screening for large companies in southern California.
Computing regression equation using multiple regression models.Using multiple linear regressions, compute the regression equation for the following data in Excel.
If you roll a single fair die and count the number of dots on top, what is the sample space of all possible outcomes? Are the outcomes equally likely.
A botanist has developed a new hybrid cotton plant that can withstand insects better than other cotton plants. However, there is some concern about the germination of seeds from the new plant.
In 1989, Kent motors produced 15,000 Tractors. During the year, 800 tractors were inspected and 5.2 defects per tractor (on average) were identified.
Drawing 3 sigma X-bar chart and R chart with given values.What control chart(s) would you use for this data and what are the final control limits.
You draw two cards from a standard deck of 52 cards, but before you draw second card, you put the first one back and reshuffle the deck.
Diagnostic tests of medical conditions have several results. The test result can be positive or negative, whether or not a patient has the condition.
Presume 2 relationship songs, 2 songs about people, and 1 song about places were selected. If the songs were arranged in no particular order, what is the possibility that the first and the last ones
Disease X is one that often results in severe illness, but never is fatal. On March 21, 1990, 30 students developed disease X among all students in an introductory epidemiology course at a universit
Produce a relative frequency histogram using ten-point intervals to show the distribution of the scores.
Mary Sue wants to know if there is a connection between attendance at craft fairs and the number of exhibitors who have booths at the fair. For a casual sample of seven local craft fairs, she
find Probability based on rolling two fair dice.
Richard has just been given a ten-question multiple choice test in his history class. Each question has five answers only one of which is correct. Since Richard has not attended class recently, h