In a two-tail test for the population mean, if we decide against the null hypothesis when the alternative hypothesis is true,

The distance d that a car can travel in a certain amount of time t can be found by multiplying the rate of speed r by the travel time. if a car has already travel 4 miles, the formula for the total distance travel is d= rt + 4. which of the following gives the value of r, in terms of d and t?

The authors use the word “backbone” in lines 3 and 39 to indicate that

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.