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Find the minimum sample size required to estimate the percentage of college students who use loans to pay for college. Assume we want 95% confidence that the sample proprotion is within two percentage points of the true percentage
What is the probability that the first card dealt is an ace of spade?
If he calls on four potential clients, what is the probability that he makes exactly 3 sales? What is the probability that he makes exactly 4 sales?
It seems that simulation could handle any situation or study. But is that always true? Discuss instances in which a simulation would be important and useful, and then a situation in which a simulation would not be appropriate.
If population standard deviation is σ = 8 is effect large adequate to be statistically significant? Use two - tailed effect with α = .05
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages. (a) At the .01 level of significance, is the true mean greater than 10? (b) Use Excel to find the..
Standard deviation of 7. At 0.01 significance level, is there more variation in first population?
The probability that a house in an urban area will be burglarized is 5%. If 50 houses are randomly selected, what is the probability that one of the houses will be burglarized?
Workers drive the company vehicle to purchase lunch versus returning to the office to pick up their personal vehicles in order to purchase their lunch?
Can someone please break these problems down so that I can understand how to get the correct answer.
What is the test value? find the critical value. state what the alternative hypothesis would be H1: customer shows no preference for a specific dessert.
You are the sales manager of a life insurance agency. All of your sales representatives are successful in selling a policy on 30% of their sales calls. Determine the probability of a sales representative's selling at least four policies if he (she..
Interpret the meaning of the slopes of the given multiple regression equation
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