Mathematics, 30.03.2020 16:37 cam1976
An instructor gives a class a set of 10 problems and says that the nal exam will consist of a random selection of 5 of the problems. If a student has gured out how to solve 7 of the problems, what is the probability that he or she will answer at least 4 problems correctly?
Answers: 2
Mathematics, 22.06.2019 01:30
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.
Answers: 1
Mathematics, 22.06.2019 02:00
The quotient of 15 and a number is 1 over 3 written as an equation
Answers: 1
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