Mathematics, 16.12.2020 22:50 Elephants12
In a theater showing a cartoon movie, 13 out of 17 people watching are children. How many children would you predict are watching the movie if there are 204 people in the theater?
Answers: 1
Mathematics, 21.06.2019 23:20
This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3
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Mathematics, 22.06.2019 00:40
Consider the equation y−2=3(x+2).which option correctly identifies the point and slope from the equation and also provides the graph that correctly represents the equation?
Answers: 1
Mathematics, 22.06.2019 03:30
Atechnician compares repair costs for two types of microwave ovens (type i and type ii). he believes that the repair cost for type i ovens is greater than the repair cost for type ii ovens. a sample of 6767 type i ovens has a mean repair cost of $79.79$79.79. the population standard deviation for the repair of type i ovens is known to be $19.18$19.18. a sample of 5555 type ii ovens has a mean repair cost of $75.24$75.24. the population standard deviation for the repair of type ii ovens is known to be $21.40$21.40. conduct a hypothesis test of the technician's claim at the 0.050.05 level of significance. let μ1μ1 be the true mean repair cost for type i ovens and μ2μ2 be the true mean repair cost for type ii ovens. step 2 of 4 : compute the value of the test statistic. round your answer to two decimal places.
Answers: 2
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