Mathematics, 31.10.2021 05:30, chuncky812
Twenty percentages of the staff at a certain hospital have unlisted telephone numbers. 60% and 40% of this person are males and females respectively. You select 300 names randomly from the hospital phone book. How many Females can be expected to have unlisted phone numbers?
Answers: 1
Mathematics, 21.06.2019 13:40, wowwowumbsi
In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.
Answers: 3
Mathematics, 21.06.2019 17:30, Vampfox
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
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