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There are 100 boxes, and for each i = 1, 2, . .. 100, box i contains proportion I /100 of gold coins (the rest are silver), one box is chosen at random, then a coin is drawn at random from this box.
a) If the coin drawn is gold, which box would you guess was chosen? Why?
b) Suppose the boxes were not picked at random, but according to the following scheme. All the even-numbered boxes are equally likely, all the odd-numbered boxes are equally likely, but the chance of drawing an odd numbered box is twice the chance of drawing an even-numbered box, if the coin drawn is good, which box would you guess was chosen? [Hint: write down the prior odds.]
In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval for the true mean length of the bolt? Please show your work.
statistics is about more than calculations. it is about turning data into information and using this information to
Give an implementation of adjoin-set using the ordered representation. By analogy with element-of-set? show how to take advantage of the ordering to produce a procedure that requires on the average about half as many steps as with the unordered r..
Privacy Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and Internet are reducing privacy. A survey conducted by Peter D.
Using the variances estimated in Exercise, what sample size would be needed with simple random sampling to achieve the same precision in estimating the average.
for the high school outreach project that i direct i would like to know if we are having any impact on the high school
Private consumption as a share of GDP is a random quantity that follows a roughly normal distribution. According to an article in BusinessWeek.
According to tables provided by the U.S. National Center for Health Statistics in Vital Statistics of the United States. Determine the probability distribution of the number alive at age 65.
Addie, who is blindfolded, selects a box at random and draws one envelope from the box. The envelope contains a $5 bill. What is the probability that Addie picked the second box?
What percentage of college students attend church regularly?- Does the artificial sweetener aspartame cause dizziness and confusion in some people?
Using two leaders as a reference, discuss the importance of leadership qualities. Use APA style and your page should not exceed 5000 words
A regression analysis was carried out to assess sale prices of land in Uganda based on many variables that describe the owner of the land: age.
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