Mathematics, 22.06.2019 20:00 HarleyQuinn117
Ineed . asap sandra swims the 100-meter freestyle for her school’s swim team. her state’s ranking system awards 3 points for first place, 2 points for second, 1 point for third, and 0 points if she does not place. her coach used her statistics from last season to design a simulation using a random number generator to predict how many points she would receive in her first race this season. what is sandra’s expected value of points awarded for a race? (show work)
Answers: 2
Mathematics, 21.06.2019 16:50, Kianna000
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
Mathematics, 21.06.2019 21:50, zymikaa00
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, 22.06.2019 01:30, tingzontumbler8412
Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.
Answers: 2
Ineed . asap sandra swims the 100-meter freestyle for her school’s swim team. her state’s ranking sy...
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