A probability distribution has:. a. no mean.
b. no standard deviation.
c. a mean and a standard deviation.
d. none of the answers are correct.

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?