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Bag I contains 3 white objects and 4 black objects, and Bag II contains 2 white and 6 black objects.
a) You pick an object randomly from Bag I and place it into Bag II. Next you pick an object randomly from Bag II. What is the probability that the object is black?
b) This time, you pick a Bag at random, each of the two Bags being picked with probability ½ , and you pick an object at random from the chosen Bag. Given the ball is black, what is the probability you picked Bag I?
All else being equal, what occurs to your confidence interval when you increase value of alpha?
How many ways are there to select a subcommittee of 7 members from among a committee of 21 and how many possible passwords are there if 7 of the letters of the alphabet can be used by the system?
approximately 8.33 of men are colorblind. you survey 8 men from the population of large city and count the number who
Height X of adult women are normally distributed with mean 63.7 inches and standard deviation 2.71 iches. Romeo who is 68.25 inches tall wishes to date only women who are shorter than he but within 4 inches of his height. Find the probability ..
if it is known that a simple linear regression model explains 56 percent of the variation in the dependent variable and
"Black Friday," which occurs annually the day after Thanksgiving, is one of the biggest shopping days of the year. During the 2012 holiday season, many stores created controversy by starting their mega-sales on Thanksgiving itself.
You are choosing between the following investment strategies: Invest $200 in stock A. Stock A costs $20 per share. Expected yield per share of stock A is $2, and the variance of yield per share is 9 ($-squared). Which investment strategy has the hi..
Calculate the probability of a value between 75.0 and 90.Calculate the probability of a value of 75.0 and less.
In a recent poll, 126 people were asked if they liked dogs, and 6% said they did. Find the margin of error of this poll, at the 90% confidence level.
1) Use technology and a t-test to test the claim about the population mean mu(u) at the given level of significance alpha using the given sample statistics. Assume the population is normally distributed.Claim: mu(u)>76; alpha=0.05, Sample statisti..
data for a sample of 55 members of the baseball hall of fame in cooperstown new york are shown here. each observation
which statement is true of the scope of evidence-based clinical practice guidelines?a. the broader the scope of the
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