This problem involves empirical probability. The table shows the breakdown of 99 thousand single parents on active duty in the U. S. military in a certain year. All numbers are in thousands and rounded to the nearest thousand.
Marine Air
Army Navy Corps Force Total
Male
27 23 8 15 73
Female 11 7 2 6
Total
38 30 10 21 99
26
The probability that a randomly selected single parent in the US military is in the Navy given that the parent is a female
(Type an integer or decimal rounded to the nearest hundredth as needed.)
E
?
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There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?