Mathematics, 19.07.2019 11:40 hsernaykaw42
Aguidance counselor reports that in a given semester, the probability that s student chooses are as an elective is 15 percent, the probability that a student chooses art or drama is 20 percent, and the probability that a student chooses both are and drama is 2 percent. what is the probability that a student chooses drama as an elective? 5%7%33%37%
Answers: 2
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 21.06.2019 23:00
The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree
Answers: 2
Mathematics, 21.06.2019 23:50
Determine the area of a triangle with (see picture below)
Answers: 1
Aguidance counselor reports that in a given semester, the probability that s student chooses are as...
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