According to the IDC, in the fourth quarter of 2015 only 1.2% of cellphones in the world
Question:
According to the IDC, in the fourth quarter of 2015 only 1.2% of cellphones in the world used a Windows based operating system. If a random sample of 25 mobile devices was selected:
a. Use the binomial distribution to determine the probability that fewer than three devices from this sample use the RIM operating system.
b. Use the Poisson distribution to determine the probability that fewer than three devices from this sample use the RIM operating system.
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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