Pls help with this it’s 3:44 AM for me and I still didn’t finish My math work ( due tomorrow ) and it’s getting rlly late so can u guys help me?? ty <33! please try your best!

Yo y do yall have 2 stars that means yall wrong bro

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?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles