Mathematics, 10.12.2019 02:31 BrainlyBoi
The average of iq test scores of 31 seventh-grade girls in midwest school district is 89. iq scores follow a normal distribution with standard deviation 15. treat these 31 girls as an srs of all seventh-grade girls in this district. iq scores in a board population are supposed to have mean 100. is there evidence that the mean in this district differs from 100?
Answers: 3
Mathematics, 21.06.2019 15:00
The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.
Answers: 1
Mathematics, 21.06.2019 19:00
Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?
Answers: 1
Mathematics, 21.06.2019 21:00
Askateboard ramp is in the shape of a right triangle what is the height of the ramp
Answers: 3
Mathematics, 21.06.2019 21:30
Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?
Answers: 3
The average of iq test scores of 31 seventh-grade girls in midwest school district is 89. iq scores...
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