A lifegaurd recieved 15 hours of training 10 hours of first aid trainning and 10 cardioplumary resurection what is the ratio

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Which graph represents the parent function of y=(x+2)(x-2)

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if