Solan and Julie each planted tulips. of solans 20 tulips, 15 were red, while 10 of julies 20 tulips were red. How much greater was solans fraction of red tulips than julies?

The graph of a line gets what as the value of the slope gets bigger

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}