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Technology and the Internet Tablet computers have become very popular and fill a gap between smartphones and PCs. A recent survey indicated that of those people who own tablets, 70% use the device to play games and 44% use the device to access bank accounts.8 Suppose 30% do both-play games and access bank accounts-and suppose a tablet user is selected at random.
a. What is the probability that the tablet user plays games or accesses bank accounts?
b. What is the probability that the tablet user does not play games nor access bank accounts?
c. What is the probability that the tablet user only plays games? Only accesses bank accounts?
in a study in which k 5 3 n 5 21 x1 5 45.3 x2 5 16.9 and x3 5 8.2 you compute the following sums of squares source sum
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The standard deviation of the sample was computed to be 2.1 calls. At the .05 level of significance, can we conclude that more than 40 calls are made on the average in a week?
Finding probability for the given values of the uniform density curve
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1.Dave has $100,000 to invest in 10 mutual fund alternatives with the following restrictions. For diversification, no more than $25,000 can be invested in any one fund.
Compare the respective purposes of one-way, randomized block, and two-way analysis of variance. In general, under what circumstances would each method be used?
Packages from packing machine have a mass, which is normally distributed with mean 200g and standard deviation 2g. Find the probability that the package from the machine weighs
Is there an association between gender and political identification? Perform the appropriate hypothesis test and the characterize the association if appropriate.
the amount of snowfall falling in a certain mountain range is normally distributed with a mean of 70 inches and a
Is it ok to change the level of significance to 0.05, because at that level you would be able to reject the null and accept the alternate?"
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