Use the ""test. vs. grade"" data and test the null hypothesis that the mean test score for the population is 70 against the alternative that it is greater than 70. find a p-value and state your conclusion if α = 0.05. repeat for the null hypothesis µ = 75.

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

What is the sum of the first 8 terms of the geometric series