There is a 75% chance that a random company will meet its ea…
There is a 75% chance that a random company will meet its earnings expectations in a random quarter. If we take a random sample of 4 companies, what is the probability that exactly 3 of the companies meet their earnings expectations in that quarter? (round to the nearest %) (There are tables and special calculators that can “spit out” this answer directly, including in Excel and many graphing calculators…and you’re welcome to use those. But the “by hand” calculation is easy and discussed in our chapter.)
Read DetailsThe length of time it takes a random company to release its…
The length of time it takes a random company to release its post-quarter results is uniformly distributed from 16 days to 36 days. What is the probability that a randomly selected company releases its results between 29 and 34 days, post-quarter?
Read DetailsThe probability that a randomly selected company will file a…
The probability that a randomly selected company will file a revised 10-k next year is 10%. If we take a random sample of 6 companies, what is the standard deviation of the number of companies that will file a revised 10-k next year?
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