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Claude Vrinat, owner of Taillevent-one of Europe's most highly acclaimed restaurants-is reported to regularly sample the tastes of his patrons. From experi- ence, Vrinat believes that the average rating (on a scale of 0 to 100) that his clients give his foie gras de canard may be viewed as normally distributed with mean 94 and standard deviation 2. A random sample of 10 diners gives an average rating of 96 and standard deviation of 1. What should be Vrinat's posterior distribution of average rat- ing of foie gras de canard, assuming ratings are normally distributed?
is the national crime rate really going down? some sociologists say yes they say that the reason for the decline in
A recent article in the Arizona Republic indicated that the mean selling price of the homes in the area is more than $220,000. Can we conclude that the mean selling price in the Goodyear, AZ, area is more than $220,000? Use the .01 significance le..
Calculate the difference in the average "clutter" between network and TV.
Between what two values does the P -value of this test fall?
if given a random sample size from a normally distributed population the mean of the sample and the standard
A mortar shell is s feet above the ground after t seconds, where s=f(t)= -16t + 510t +63. Find the height of the shell 15 seconds after it is fired.
Draw a relative frequency histogram to describe the distribution of penny ages. How would you describe the shape of the distribution?
the characteristic function of the cauchy distribution is e-t determine the characteristic function of x1n?xi i1....n
general population is skewed to the right the meand degree of affection is 60 standard deviation is 16. sample 100
Percentage points in either direction from what would have been obtained by interviewing all voters in the United States." Find the sample size suggested by this statement.
let x be a random variable with probability density function fxx 2e?2x for x gt 0.c let y be an independent random
In a random sample of 400 items, 88 are defective. If the null hypothesis is that 20% of the items in the population are defective, what is the value of ZSTAT?
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