The morning announcement said that two out of every seven smith-grade students in the school have an overdue library book. jasmine said”the would mean 24 of us have overdue book! ” grace argued,”no way. that is way too high how can you determine who is right?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Which of the binomials below is a factor of this trinominal? x^2-13+30

Determine if the equation defines y as a function of x: 2xy = 1. yes o no