Sarah rolls a fair dice 96 times. How many times would Sarah expect to roll a number greater than 2?

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)