Mathematics, 30.10.2019 19:31 nyiamcbride5630
Asurvey of middle school students asked: what is your favorite winter sport? the results are summarized below: favorite winter sportpolarbear grade mb snowboarding skiing ice skating total6th 68 41 46 1557th 84 56 70 2108th 59 74 47 180total 211 171 163 545using these 545 students as the sample space, a student from this study is randomly selected. a) what is the probability of selecting a student whose favorite sport is skiing? b) what is the probability of selecting a 6th grade student? c) if the student selected is a 7th grade student, what is the probability that the student prefers ice-skating? d) if the student selected prefers snowboarding, what is the probability that the student is a 6th grade student? e) if the student selected is an 8th grade student, what is the probability that the student prefers skiing or ice-skating?
Answers: 3
Mathematics, 22.06.2019 03:00, pilarmonsivais
Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?
Answers: 3
Asurvey of middle school students asked: what is your favorite winter sport? the results are summa...
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