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The mean annual salary for chauffeurs is $21,000. A random sample of size 45 is drawn from this population. Assume that the population standard deviation is $2,000.
What is the probability that the mean annual salary is less than $20,000 More than $22,500
I want to establish if a new product is worth marketing. At least 85 percent of the public must express interest in the product and for those that do the average cost they are willing to pay must be at least $47.50.
Known population of 1000 students to construct a 95% confidence interval for teh average SAT score. What correction factor should be used to compute the standard error?
To be fair, the firm is randomly selecting two different employee names to 'win' the tickets. There are 6 secretaries, 5 consultants and 4 partners in the firm. Which of the following statements is not true?
What regression equation would you want to do for banking? Give the y and x variables. Explain why this would be important to know.
If a random student is chosen what is the probability that he or she scores less than 59? What score indicates that the student has to retake the exam?
Assume if random samples of size n = 9 are selected can we say anything about the distribution of sample means.
Provide one example in the accounting department that you can apply a contingency table to. Briefly explain how a contingency table can be useful.
A range of values constructed from sample data so that the parameter occurs within that range at a specified probability is:
Examined the effect of body position on blood pressure
question are low carbohydrate diets effective? a random sample of six individuals who wanted to try a low
It has been estimated that 30% of all farms are family-owned. In a sample of 12 farms, what is the probability that exactly three farms are family owned?
There were 1000 more students at the soccer game than nonstudents. Student tickets were $8.50 and nonstudents were $13.25. If the total revenue for the game was $75,925, then how many tickets of each type were sold?
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