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An elevator in a building starts with 6 people and stops at 8 floors. Assuming that all permutations of the passengers getting off at various floors are equally likely, find the probability that at least two of them get off on the same floor.
If the number of trials during each experiment is 12, determine the maximum likelihood estimate for the probability of success, p.
Solve using the square root property: Radicands must be enclosed within
Assume that p-value was 0.07, would you reject null hypothesis of equal mean rates for a Type- I error rate of 5%? (Circle one).
A nutritionist conducted an experiment on memory for dreams. She wanted to test whether it really was true that eating cheese before going to bed made you have bad dreams. Over three nights, the nutritionist fed people different foods before bed.
Use an ANOVA with α=.05 to determine whether there are any significant differences among the three treatment means. (both by hand and in PASW), for the hand version of problem.
Findout the value of X using normal distribution which gives standard deviation also mean. A math teacher gives two different tests to measure students' aptitude for math.
Probability of selecting a row with that number of seeds germinating. Determine the standard deviation of the number of seeds per row that germinated.
The mean yearly amount earned is $40,000 and the standard deviation is $5,000. What percent of the sales representatives earn more than $42,000 per year?
A teacher wants to know if students in her biology class did significantly better on an exam after instruction using authentic learning. The scores pre and post test are listed below. Based on an α = .05, what can the teacher conclude?
Your fixed costs are presently $500,000 with a variable cost per unit of $25 per unit and a sales price of $43 Your options are: Increase your fixed costs by $50,000 which will decrease variable costs by $8 per unit.
Generate a relative frequency histogram using ten-point intervals to show the distribution of the scores.
The cost accountant for Blue Pharmaceuticals has informed you that the company's materials quantity variance for the drug Allegro was exactly equal to its materials price variance for the year.
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