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After meeting with the regional sales managers, Lauretta Anderson, president of Cowpie Computers, Inc., you find that she believes that the probability that sales will grow by 10% in the next year is 0.70. After coming to this conclusion, she receives a report that John Cadariu of Minihard Software, Inc., has just announced a new operating system that will be available for customers in 8 months. From past history she knows that in situations where growth has eventually occurred, new operating systems have been announced 30% of the time. However, in situations where growth has not eventually occurred, new operating systems have been announced 10% of the time. Based on all these facts, what is the probability that sales will grow by 10%?
a genetic experiment involving peas yielded one sample of offspring consisting of 414 green peas and 153 yellow peas.
Each day the major stock markets have a group of leading gainers in price (stocks that go up the most). On one day the standard deviation in the percent change for a sample of 10 NASDAQ leading gainers was 15.8.
a two-sample t test is going to be carried out where it is assumed that the population variances are unknown but
give two suggestions regarding how a statistician might generate probability estimates when empirical data is
What decision would you make based on the expected utility approach? In this case are you a risk taker or a risk avoider?
q1. bmi in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2. a bmi
Find the expected value or average profit per customer and determine how much profit they should expect if 10 people purchase one of their European vacation packages.
Compute the 95% confidence and prediction intervals for values of y for X = 40. Determine correlation coefficient, Interpret.
Present the chosen situation as an overview-problem, purpose, research questions, and hypotheses. Describe the instrument used for data collection
What sample size would be required to obtain the error of ±10 square millimeters with 99 percent confidence?
The American dream has always been a staple of American culture. When people speak of it, they often refer back to the first half of the 20th century. Despite this, the American Dream is just as relevant to American culture today as it was in the ..
When using dummy variables in a regression equation to model a qualitative or categorical variable, the number of dummy variables should equal to
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