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1. What is the difference between saying that you should get "heads" about half the time when flipping a "fair" coin and the actual probability of getting 10 heads in 20 flips?
2. What applications does the probability distribution of shoppers have?
3. What other probabilities would you investigate and why?
suppose the reaction temperature x in acircdegc in a certain chemical process has a uniform distribution with a -8 and
Suppose that a company produces three different products. The sales for each product are independent of the sales for the others. The information for these products is given below:
suppose someone gives you 9 to 2 odds that you cannot roll two even numbers with the roll of two fair dice. this means
a mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed with a mean life of
Using a 1% level of significance, can the hypothesis that the distributions for the student's scores are identical be accepted?
calculate the expected value of an adjunct professor who prefers to lecture. what is the expected value of an adjunct professor who prefers computer instructions.
Find the critical value for a two tailed F-test with alpha=.05 when the sample size from which the variance for the numerator was obtained was 21 and the sample size from which the variance for the denominator was obtained 12
There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these.
It has been determined empiracally that for a certain egg producer, the number of cracked or broken eggs X, in a randomly slected box containing six eggs, follows approximately the distribution given in the table below:
A market survey was conducted to estimate the proportion of homemakers who would recognize the brand name of a cleanser based on the shape and color of the container. Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name.
The data in below represent the closing value of the Dow Jones Industrial Average (DJIA) over the 29 year period from 1979 through 2007.
Use this information to answer questions 2-4. Following a brushfire, a forester takes core samples from the ten surviving Bigcone Douglas-fir trees in a test plot within the burn area, and a dendrochronologist determines the age of the source tree..
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