Mathematics, 30.03.2020 21:59 vanessajimenez361
Your stats instructor graded your exams (0 to 100) and provided the exam summary statistics before returning the exam papers. Exams scores were normally distributed with a mean of 70.5 and a standard deviation of 12.5. He assigns letter grades based on 100 points: 90 or higher is A; 80 < 90 is B; 70 < 80 is C; 60 < 70 is D; a
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The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
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The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?
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Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)
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Your stats instructor graded your exams (0 to 100) and provided the exam summary statistics before r...
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