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Question: Bimodal. We are sampling randomly from a distribution known to be bimodal.
a) As our sample size increases, what's the expected shape of the sample's distribution?
b) What's the expected value of our sample's mean? Does the size of the sample matter?
c) How is the variability of sample means related to the standard deviation of the population? Does the size of the sample matter?
d) How is the shape of the sampling distribution model affected by the sample size?
Students that are in the top 5% will receive a 20% off coupon at the "Crazy" cafeteria. What is the minimum number of attendance days that you should have in order to receive such discount?"
Find the probability that when 236 reservations are accepted for Flight 179, there are more passengers showing up than there are seats available.
How many bad seeds do you expect to get?- What's the standard deviation?- What assumptions did you make about the seeds? Do you think that assumption is warranted? Explain.
Is there evidence of a difference in the variances of the order values between social shoppers and other online shoppers? Yes. I used a upper-tail f-test for the difference of two variances.
You want to ensure that a student who randomly guesses on each question will obtain an expected score of zero. How can you accomplish this?
In order for Samuel's average calorie intake to equal a daily average of 2200 calories, how many calories of food must he consume on Thursday?
Explain why or why not. b. Assuming that A, B, and C are independent events, find the probability that a randomly selected manager from this company is a white male and has earned an MBA degree from a top-10 graduate business school. c. If A, B, a..
1. consider a continuous random variable x with varx 4. a sample of 50 measurements of x is taken and xbar 68a.
Let X denote number of students which were on bus carrying this arbitarily selected student. One of the 4 bus drivers is also arbitarily selected. Calculate expectations and variances of X.
Arthur Schopenhauer, which view of experience seems closest to how you view the world? Briefly explain this philosopher's view as it compares to your view.
Gold's managers are considering a promotion in which they reward frequent users with a small gift. They have decided that they will only give gifts.
The standard deviation of the annual movements in the Swiss franc is .0557, or 5.57 percent. It is necessary to focus on the volatility of the movements, not the actual values. T
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