If a normal distribution has a mean of 80 and a standard deviation of 10, then what is the z-score for an observation of 95? a. –1.5 b. –1 c. 1 d. 1.5

Amanufacturing company produces engines for light aircraft. the graph shows the number of engines produced each year since the company started operations. the data plot can be represented by the function . based on the scatter plot, we can predict that in the ninth year, the company will produce engines.