Mathematics, 22.08.2019 05:30, lindsaynielsen13
Evelyn goes to a middle school that includes grades 6, 7, and 8. she wants to estimate the percentage of students in the school who ride the bus to school. she selects a random sample of 200 students to survey who are attending an after-school activity. she determines that 38% of the students at the activity ride the bus to school. which statement about evelyn's sample is true? a. the sample is the percentage of students who ride the bus. b. the sample might not be representative of the population because it only includes students who are attending an after-school activity. c. the sample shows that exactly 38% of the students in the school ride the bus.
Answers: 1
Mathematics, 21.06.2019 21:50, safiyyahrahman8937
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
Evelyn goes to a middle school that includes grades 6, 7, and 8. she wants to estimate the percentag...
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