Mathematics, 18.11.2019 21:31 Cosio
Arandom sample of 36 students at a community college showed an average age of 25 years. assume the ages of all students at the college are normally distributed with a standard deviation of 1.8 years. the 98% confidence interval for the average age of all students at this college is
1) 24.301 to 25.699
2) 24.385 to 25.615
3) 23.200 to 26.800
4) 23.236 to 26.764
Answers: 3
Mathematics, 21.06.2019 20:30
Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?
Answers: 1
Mathematics, 21.06.2019 22:30
Factor the polynomial by its greatest common monomial factor.
Answers: 1
Mathematics, 21.06.2019 23:10
Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2
Answers: 2
Arandom sample of 36 students at a community college showed an average age of 25 years. assume the a...
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