High school tried to determine the mean amount of money that each student had saved. The study surveyed a random sample of 66 students in the high
school and found a mean savings of 3500 dollars with a standard deviation of 500
dollars. Determine a 95% confidence interval for the mean, rounding all values to the
nearest whole number.

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Identify the number as a rational or irrational.explain. 127