Mathematics, 25.12.2019 06:31 estrella7777
At a large conference of teachers from a variety of subjects, a random sample of 50 mathematics teachers attending the conference was selected. among the selected mathematics teachers, 28 percent had taken one or more courses in statistics. for which of the following populations is 28 percent a reasonable estimate of the percentage of those who have taken one or more courses in statistics?
a. all mathematics teachersb. all mathematics teachers who attended the conferencec. all mathematics teachers who have taken one or more courses in statisticsd. all teachers who attended the conferencee. all teachers
Answers: 1
Mathematics, 21.06.2019 18:00
Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?
Answers: 1
Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
Mathematics, 21.06.2019 20:00
Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.
Answers: 2
Mathematics, 21.06.2019 20:30
Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?
Answers: 1
At a large conference of teachers from a variety of subjects, a random sample of 50 mathematics teac...
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